RAMALLAH, West Bank -- After months of wavering, Palestinian President Mahmoud Abbas took a decisive step Monday toward reconciliation with the Islamic militant group Hamas, a move that Israel promptly warned would close the door to any future peace talks. (Today)

Two American brothers of a Mexican casino magnate who fled drug and fraud charges in the United States and has been seeking a pardon enabling him to return have emerged as major fundraisers and donors for President Barack Obama's re-election campaign. (Today)

WASHINGTON -- Perhaps the most attention-getting Super Bowl ad -- other than that dog blackmailing his owner with tortilla chips to keep quiet over a felinicide, of course -- was Clint Eastwood's paean to a resurgent auto industry in Detroit. (Today)

WASHINGTON -- President Barack Obama will use the backdrop of a White House science fair today to highlight a nationwide shortage of math and science teachers and unveil a plan to invest $100 million to help train 100,000 new educators over the next decade. (Today)

WASHINGTON -- More than a third of the advertising tied to the presidential race has been funded by nonprofit groups that will never have to reveal their donors, suggesting that a significant portion of the 2012 elections will be wrapped in a vast cloak of secrecy. (Today)