Headline Roundup: Leap!

• Baghdad Embassy Project in Trouble [AP/Newsvine]
• Republicans Block Consideration of Housing Relief Package in Senate [WashPo]
• McCain’s Canal Zone Birth Prompts Queries About Whether That Rules Him Out [NY Times]
• Dem hopefuls won tax breaks for contributors [USA Today]
• U.S. Navy ships move closer to Lebanon [CNN]
• Texas Contest Includes Primary, Caucus: Everything Is Bigger in Texas, Including Its Presidential Contest With a Primary and Caucus [ABC News]