U.S. to Aid Syrian Rebels, NSA Leaks, Immigration and SCOTUS

The U.S. plans military support for Syrian rebels after determining President Assad’s troops have used chemical weapons, the national security and political fallout of Edward Snowden's NSA leaks, Congress moves towards immigration reform and the latest SCOTUS decision.  Joining Gwen: Mark Mazzetti, New York Times; Karen Tumulty, Washington Post, Alan Gomez, USA Today and Joan Biskupic, Reuters.