Andrea Mitchell Reports 05/02/16

At least 18 Shiite pilgrims killed in Baghdad bombing

ISIS has claimed responsibility for a trio of bombs that went off this morning in and around Baghdad, killing at least 18 people and injuring dozens more. The majority of the victims were Shiite Muslim worshipers who were on a pilgrimage. Ryan Crocker, former Ambassador to Iraq, weighs in on the aftermath and circumstances of the attack. ... more Duration: {{video.duration.momentjs}}