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AP - Resurgent Rick Santorum said his sweep of three GOP contests earned his shoestring campaign $250,000 overnight, cash he needs to take his upstart bid for the Republican presidential nomination to Mitt Romney's turf.

AP - Mitt Romney just can't shake his difficulty attracting conservatives. And that reality is undercutting his effort to cast himself as the inevitable Republican presidential nominee and prolonging a race that each day exposes deep divisions within the party.

AP - After more than two decades of drilling in Antarctica, Russian scientists have reached a gigantic freshwater lake hidden under miles of ice for some 20 million years — a pristine body of water that may hold life from the distant past and clues to the search for life on other planets.

AP - A Missouri teenager who had described the slaying of a young neighbor girl as an "ahmazing" thrill made an emotional apology Wednesday to the girl's family and was sentenced to a potential lifetime in prison.

AP - A 911 call recording reveals a social worker's attempts over a more than six-minute call to get a dispatcher to send authorities quickly to the home of Josh Powell after he locked himself and his two sons in the home he then set ablaze.