EXCLUSIVE: Saudi Arabia ‘warned the United States IN WRITING about Boston Bomber Tamerlan Tsarnaev in 2012’  — Saudis developed intelligence separately from Russia, which also warned the U.S. about the accused Boston bomber  — A letter to the Department of Homeland Security allegedly named Tsarnaev …

Government source: Bells should have gone off for student in custody in Boston case  —  A U.S. government official tells CNN that the three students in law enforcement custody Wednesday are two students from Kazakhstan, Dias Kadyrbayev and Azamat Tazhayakov, and another student, U.S. citizen Robel Phillipos.

FBI: 3 Friends Removed Backpack From Boston Suspect's Room  —  BOSTON (AP) — Three college friends of Boston Marathon bombing suspect Dzhokhar Tsarnaev removed a backpack containing fireworks emptied of gunpowder from his dorm room at the University of Massachusetts at Dartmouth three days after the attack …

A House in chaos  —  House leadership aides will tell you they're winning.  They forced Senate Democrats to release a budget, and Cantor is holding out hope that their family-focused agenda will attract Democratic support or jam them politically.  —  But in a practical sense, the House is even more isolated than ever.

Tim Scott says Mark Sanford “merits support” in 1st District race  —  U.S. Sen. Tim Scott backed Mark Sanford in the 1st District special election today, saying he “merits support.”  —  In a statement from his Washington office, Scott, R-S.C., said Sanford is the “stark choice.”