Zimmerman's Acquittal, Obama Reacts, Avoiding “Nuclear Optio

The political aftermath of the Zimmerman verdict with the Justice Department's investigation and Obama’s remarks, the Senate’s tentative deal to avoid “nuclear option”, and Liz Cheney's bid to unseat fellow Republican Senator Mike Enzi of Wyoming. Joining Gwen: Dan Balz, Washington Post; Pierre Thomas, ABC News; Amy Walter, Cook Political Report; Charles Babington of the Associated Press.