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Rick Santorum racked up victories in Alabama and Mississippi on Tuesday, again denying Mitt Romney the mantle of inevitability he has sought for weeks. Romney will be favored in the next big contest in Illinois, but he'll have a long wait before being able to deliver a knockout blow to his rivals.

Saturated fat, the stuff in meat and dairy foods, was associated with lower sperm counts, in a study of 99 men who were clients of fertility clinics. The results, though preliminary, suggest there's something men can do to boost the odds their sperm are up to their evolutionary task: eat better.

Peter Cameron's new novel about a young nurse is a consummate English country home novel. Put the kettle on and settle in — but don't get too comfortable: Cameron's writing is full of sharp angles and unanticipated swerves into the droll and the downright weird.

The American and British leaders reaffirmed their commitment to gradually withdrawing most forces by the end of 2014.

After two years of going with the wrong team to win it all, President Obama is counting on North Carolina — the team he correctly picked to win the 2009 NCAA men's basketball championship — to end up No. 1 this year.

Getting hot and sweaty makes it hard for many people to keep exercising. A new study found that chilling people's palms while exercising helped them keep going.

All was not gloom and doom for the on-again, off-again, on-again frontrunner for the Republican presidential nomination. A new Pew Research poll indicated that Romney was once again the clear favorite nationally among Republicans and GOP-leaning independents for the nomination, leading Rick Santorum 33 to 24 percent in a poll that was in the field through Sunday.

British Prime Minister David Cameron is in Washington for talks at the White House.

The spike in consumer sentiment came as companies began stepping up their hiring in January and February. "People pay close attention to the jobless rate," says Carroll Doherty of the Pew Research Center.

Barbers and beauticians are splitting hairs over an iconic image: the swirling red, white and blue striped pole that often stands outside a barber shop. Barbers in several states are proposing legislation to prevent shops without a licensed barber from using the striped pole.