Michael Cohen prepares to testify on Monday in Donald Trump's criminal trial, poised to confront his former boss' legal defense head-on. While Trump's lawyers are expected to discredit Cohen as a habitual liar, his consistent narrative, reinforced by corroborating testimonies from other prosecution witnesses, lends weight to his claims. » Subscribe to MSNBC: youtube.com/msnbc Download our new MSNBC app for the latest breaking news and daily headlines at a glance: msnbc.com/information/download-msnbc-app-n1241692 Follow MSNBC Show Blogs MaddowBlog: msnbc.com/maddowblog ReidOut Blog: msnbc.com/reidoutblog MSNBC delivers breaking news, in-depth analysis of politics headlines, as well as commentary and informed perspectives. Find video clips and segments from The Rachel Maddow Show, Morning Joe, The Beat with Ari Melber, Deadline: White House, The ReidOut, All In, Last Word, 11th Hour, and Alex Wagner who brings her breadth of reporting...