The Last Word with Lawrence O'Donnell 06/15/15

2016: Jeb Bush is in, Donald Trump is... ?

Jeb Bush makes it official. What did we learn from his campaign kickoff? Plus, Donald Trump is scheduled to make a “major” announcement on Tuesday, but Lawrence says Trump won't really run. Robert Costa, Maria Teresa Kumar, and Kasie Hunt discuss. ... more Duration: {{video.duration.momentjs}}