I have just learned that my ex is having a baby boy with a woman he has stated he does not love and isn't even in a committed relationship with. I would like to protect Mandy from any pain this might cause her because she is a Daddy's girl.

How should I deal with this and maintain my composure regarding the sibling who will now forever be a part of my daughter's life (and mine)? -- STRESSED OUT IN SAN DIEGO

DEAR STRESSED OUT: It is not appropriate to show your disgust with this situation to your daughter. Because your ex has gone on record that he doesn't love the woman he impregnated, and he is not in a committed relationship with her, you may be worrying needlessly. He will have a financial obligation to his son, but whether he's willing to be a father in the best sense of the word we don't know.

If Mandy interacts with her half brother she will have to learn to share, which is an important life lesson every child must learn sooner or later.

DEAR ABBY: I am a 40-something divorced female. After my divorce I met a man I enjoyed being with. He led me to believe he cared for me and I bought into it. It was a vulnerable time for me and, unfortunately, I let my guard down. I did something stupid and co-signed for a student loan for him. He has stopped making payments, has blocked my calls, moved, etc., and now I'm stuck with the financial burden.

I have learned that he had a fiancee while we were involved and they are now married. Abby, he was bilking me the whole time.

I need to know what legal recourse I have. I know where he lives and possibly where he works, so if he needs to be served with papers, he can be found. I regret that I didn't keep my guard up, and I don't feel he should get away with this. What should I do now? -- LET MY GUARD DOWN IN OHIO

DEAR LET YOUR GUARD DOWN: It appears you have been the victim of a fraud. If I were you, the first thing I'd do is share his address with the loan company. Then I'd discuss this matter with the police to find out if he has a history of bilking women and if I could file charges. If that isn't possible, the next thing I'd do is talk with a lawyer about any legal remedies available to me. And that's what I'm advising you to do.

DEAR ABBY: I work in the media and meet a lot of people. I have arthritis in my hands. I have always believed in a firm handshake, but I'm finding that receiving one is crippling my hand. I don't want to appear unfriendly by not reciprocating a handshake, but I don't want my hand to ache for hours on end after meeting someone. Any suggestions? -- HURTING IN DOVER, DEL.

DEAR HURTING: It would not be unfriendly to simply say, "It's nice to meet you, but I can't shake hands because I have arthritis." Many people do, and it's the truth.

Dear Abby is written by Abigail Van Buren, also known as Jeanne Phillips, and was founded by her mother, Pauline Phillips. Write Dear Abby ator P.O. Box 69440, Los Angeles, CA 90069.

Abby shares more than 100 of her favorite recipes in two booklets: "Abby's Favorite Recipes" and "More Favorite Recipes by Dear Abby." Send your name and mailing address, plus check or money order for $14 (U.S. funds) to: Dear Abby, Cookbooklet Set, P.O. Box 447, Mount Morris, IL 61054-0447. (Shipping and handling are included in the price.)

Pfizer, the largest U.S. drugmaker, sold Zoetis shares in an initial public offering in February that raised $2.2 billion. Pfizer retained an 80 percent stake in Zoetis after the IPO and now plans to unwind that, starting with this offer.

The move comes as Pfizer continues to unload its non-pharmaceuticals businesses to focus on its core prescription drugs business, which has far higher profit margins.

The offer would allow Pfizer shareholders to exchange $100 worth of company stock for $107.52 worth of Zoetis stock. The premium is meant to encourage Pfizer shareholders to acquire Zoetis shares.

Pfizer owns 400,985,000 shares of Zoetis Class B common stock that it will convert to Class A shares for the exchange. Pfizer shareholders must request at least 160.4 million shares of Zoetis common stock for the exchange to take effect.

Pfizer said that selling the rest of Zoetis will boost earnings starting in 2014. If it does not sell all of its stake through the exchange offer, Pfizer said it could turn to additional exchange offers or a special dividend.

Pfizer shares rose 3 percent to $29.65 on Wednesday while Zoetis shares fell 1.5 percent to $32.53, moving closer to their relative values under the estimated exchange ratio.

Zoetis shares were priced at $26 in the February IPO and closed their first day of trading at $31.01.

In April 2012 Pfizer sold its infant nutrition business to Nestle SA for $11.9 billion. The drugmaker has said it plans to use cash from asset sales to aggressively buy back its shares.

Last month Pfizer said it had repurchased $6.3 billion of stock this year and was authorized to spend another $5.5 billion on buybacks.

Meanwhile, the company is considering whether to sell off its wide array of generic prescription drugs, which it calls "established products." In that event, the company would keep its branded patent-protected medicines.

Chief Executive Ian Read in April said Pfizer would need three years to evaluate whether to spin off the generic medicines.

JPMorgan Chase, Bank of America, Goldman Sachs & Co and Morgan Stanley are managing the exchange offer. Skadden, Arps, Slate, Meagher & Flom is advising Pfizer.

(Reporting by Caroline Humer and Ransdell Pierson; Editing by Gerald E. McCormick and John Wallace)

Amgen management told a meeting of investors and analysts in February that it planned to expand its business into major Asian markets in 2015 and 2016 and called its lack of presence in Japan and China "a noticeable gap."

Wednesday's announcement takes a major step toward filling that gap. The companies said they will co-develop and sell five drugs currently in Amgen's pipeline, with the first commercial launch in Japan potentially coming in 2016.

"This alliance reflects our long-term commitment to the Japan market and is an important step in our global expansion efforts," Amgen Chief Executive Robert Bradway said in a statement.

The experimental drugs include AMG-145 from a highly promising new class of cholesterol medicines called PCS-K9 inhibitors, osteoporosis treatment romosozumab and the gastric cancer medicine rilotumumab - all currently in late stage testing, although at an earlier phase in their Japanese clinical trials.

The other two medicines, which are not as far along in development, are AMG-337 for gastric cancer and blinatumomab, which is being tested against acute lymphoblastic leukemia and non-Hodgkin's lymphoma.

Gastric cancer is a huge unmet need in Asia, particularly in China.

"This alliance will help accelerate development and commercialization of Amgen medicines for patients in Japan," Bradway said.

Amgen and Astellas will establish a Tokyo-based joint venture to be called Amgen Astellas BioPharma KK that is expected to begin operating on October 1. It will be led and staffed by employees of both companies and new hires.

Amgen will initially own 51 percent of the joint venture and it will become fully owned by the U.S. biotech as soon as 2020, the companies added.

(Reporting by Bill Berkrot. Editing by Andre Grenon)

The national semifinals will air on TBS in 2014 and 2015, with the title game remaining on CBS, the companies said Tuesday.

Under the 14-year deal that CBS and Turner Sports signed with the NCAA in 2010, CBS and TBS were scheduled to start alternating broadcasts of the entire Final Four starting in 2016, but Turner had the option to move that up to 2014.

Network executives decided in recent months that the best approach for both companies was to split the coverage for the next two years before beginning to take turns. TBS will televise the entire Final Four in 2016 and CBS in 2017.

"It was a nice opportunity to have a transition," Turner Sports chief David Levy said during a conference call.

The two companies recently completed the third year of their contract, which televised every game in the tournament for the first time using CBS and three Turner channels TBS, TNT and truTV. The new model has drawn strong ratings and proved viewers are comfortable finding the games on cable.

That success made Turner eager to get in on the Final Four early. Sports fans have become increasingly accustomed to major events on cable, include college football's title game.

Basketball's NCAA final will stay on a traditional broadcast network for two more years before making its cable debut. Meanwhile, TBS will add more big games: The channel will also begin airing two of the four regional finals starting next season. They had all been on CBS.

"We both win in this scenario," CBS Sports Chairman Sean McManus said.

The original financial terms of the deal won't change under the new arrangement, McManus said.

Network executives have yet to decide which announcers will call the Final Four games next season. Steve Kerr of Turner had joined Jim Nantz and Clark Kellogg of CBS in the booth for the semifinals and final in the first three years of the partnership.

[More from BGR: ]

Of course, the freedom to post porn isnt Tumblrs only allure. I have a Facebook, a Tumblr, and , an anonymous 15-year-old girl told Pew. I dont use Facebook or Twitter much. I rather use Tumblr to look for interesting stories. I like Tumblr because I dont have to present a specific or false image of myself and I dont have to interact with people I dont necessarily want to talk to.

[More from BGR: ]

Another reason teens are ditching Facebook is to avoid the inevitable drama andargumentsthat inevitably ensue beneath shared photos and status updates.

OK, heres something I want to say. I think Facebook can be fun, but also its drama central, an 18-year-old male said. On Facebook, people imply things and say things, even just by a like, that they wouldnt say in real life.

Yahoo announced earlier this week that it acquired Tumblr for $1.1 billion, and there was . Yahoo assured Tumblr users that their porn is safe, however, so it should be business as usual for the time being.

The full study is available .

This article was

Wuerffel and the Gators bounced back from that record-breaking 62-24 smackdown to take the title the next season.

The former quarterbacks will cross paths again in December, when they are inducted into the College Football Hall of Fame.

Wuerffel and Frazier, along with Heisman Trophy winner Ron Dayne, highlighted the latest Hall of Fame class of 12 players and two coaches announced by the National Football Foundation on Tuesday.

The rest of the players to be inducted in Manhattan are: Miami Heisman winner Vinny Testaverde, whose selection was announced Monday; Ted Brown of North Carolina State; Tedy Bruschi of Arizona; Jerry Gray of Texas; Steve Meilinger of Kentucky; Orlando Pace of Ohio State; Rod Shoate of Oklahoma; Percy Snow of Michigan State; and Don Trull of Baylor.

The new Hall of Fame coaches are Wayne Hardin, who led Navy and Temple, and Bill McCartney of Colorado.

Florida and Nebraska fans have been eagerly awaiting the inductions of their beloved All-Americans for years.

Wuerffel won the Heisman in 1996, when he led the Gators to the national championship, throwing for 3,625 yards and 39 touchdowns in coach Steve Spurrier's Fun-n-Gun offense.

"I'm thankful for what college football has meant in my life ... and how it allowed me to help other people," said Wuerffel, who appeared at a news conference with Bruschi at the Nasdaq Stock Exchange in Times Square.

Wuerffel finished his college career as one of the most prolific passers in major college football history with 10,875 yards and 114 touchdown passes.

After a short NFL career, he retired to dedicate himself to ministry work in New Orleans, where he played from 1997-99 with the Saints.

In 2011, Wuerffel was diagnosed with a rare autoimmune disorder Guillain-Barre syndrome, which causes paralysis and problems with the nervous system but is treatable.

Wuerffel said he is just about all the way back to his old self, but endured a difficult year and a half with little energy or strength.

"You're trying to live a normal life with 20 percent of your energy, 40 percent of your energy," he said.

Frazier, from Bradenton, Fla., was a four-year starter at Nebraska, running coach Tom Osborne's option attack.

"He was an outstanding leader and catalyst and made everyone around him better," Osborne said in a statement. "Tommie managed the game very well, and was a natural option quarterback. He had a good sense of timing, when to pitch, when not to pitch. He had excellent balance, good speed and was very strong.

"Tommie was better prepared to start as a freshman than any quarterback we had. That's not easy to do, but he was unusually mature and competitive."

Frazier was the centerpiece of Nebraska's last great dynasty. The Huskers were 33-3 in games he started and won back-to-back national titles in 1994 and '95.

"I think it's been a longer time coming than most of us would have thought," said former teammate Aaron Graham, a center on those great Nebraska teams. "The guy was the best college football player of our era and certainly deserving of one of the highest honors you can achieve as a college football player."

Frazier's famous tackling-breaking 75-yard touchdown run put an exclamation point on Nebraska's 62-24 victory over Wuerffel and Florida in that '96 Fiesta Bowl.

"I've seen that run a lot of times," Wuerffel said.

That loss helped propel the Gators into next season, Wuerffel said.

"I think most people would say the 1995 team was more talented," he said. "I think (the loss to Nebraska) helped that team mature."

Frazier finished second in the Heisman Trophy voting in 1995 as a senior and finished his career with 5,476 total yards of offense and 79 total touchdowns.

"You never play the game and think you are going to be in the Hall of Fame one day," Frazier said in a statement released by Nebraska. "You just go out and try to be the best you can and whatever happens, happens. I was fortunate good things happened."

Dayne is the NCAA's career rushing leader with 6,397 yards rushing, though his bowl game yards would boost his career total past 7,000 yards if he hadn't played when the NCAA did not count them in regular season stats. The burly tailback won the Heisman for the Badgers in 1999.

"In my opinion, Ron was simply the most dominant running back that ever played college football," said Dayne's former coach and current Wisconsin athletic director Barry Alvarez in a statement.

Bruschi had 52 sacks as part of Arizona's Desert Swarm defenses during the mid-1990s.

"I don't know who came up with that nickname, but thank you," Bruschi said.

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AP Sports Writer Eric Olson in Omaha, Neb., contributed to this report.

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Follow Ralph D. Russo at www.Twitter.com/ralphDrussoAP