Hardball with Chris Matthews 05/20/15

Inside the mind of Osama bin Laden

Newly de-classified documents give new insights into what the world's number one terrorist was thinking. He was committed to hitting us here at home right up until he was killed by Navy SEALs. Sen. Angus King (I-ME) and Evan Kohlmann have more. ... more Duration: {{video.duration.momentjs}}