Why a Hardline Extremist Group Targeted Lahore in Easter Bombing

A suicide bomber targeted Christians at an Easter celebration at a park in Lahore, Pakistan, on Sunday, but most of the victims were Muslim. A breakaway Taliban faction claimed responsibility for the attack, prompting a crackdown by the government. Judy Woodruff talks with Pamela Constable of The Washington Post and former Pakistani ambassador to the U.S. Husain Haqqani.