Lawmakers Weigh Future of U.S., Pakistan Relations

The Senate voted unanimously Tuesday to congratulate the troops and the intelligence community for the assault that killed Osama bin Laden, but the future of the U.S.-Pakistan relationship remains uncertain. Gwen Ifill discusses the two countries' strained relationship with Sen. Saxby Chambliss, R-Ga., and Sen.Mark Udall, D-Colo.