Chemical Weapons in Syria; Senator John McCain; Adam Grant

Dexter Filkins and Gary Samore address the use of chemical weapons by the Syrian government against opposition forces as well as the Israeli air strikes against Syrian military installations. Senator John McCain offers his opinion on how the U.S. should respond to President Assad's use of chemical weapons. Adam Grant, professor of organizational psychology at Wharton, introduces his book, "Give and Take: A Revolutionary Approach to Success."