The Last Word with Lawrence O'Donnell 02/18/15

Pres. Obama: 'We are not at war with Islam'

Lawrence discusses Pres. Obama’s remarks and what may have been gained by the President’s White House summit on violent extremism with our journalist Asra Nomani, fmr. Vermont governor Howard Dean, and NBC News’ Ayman Mohyeldin. ... more Duration: {{video.duration.momentjs}}