Comey notes could show up in Donald Trump obstruction case07:41
Chuck Rosenberg, former U.S. attorney who has worked with James Comey and Robert Mueller, talks with Rachel Maddow about why he left the job of acting administrator for the DEA under Trump, and how James Comey's notes might be used in an obstruction case against Donald Trump.
Developments in three Mueller-related cases advance Trump scandal20:56
Manafort hid Russian intel-tied contacts, faces decades of prison10:56
Manafort lies related to Mueller probe's 'undisputed core': judge04:55
Two Trump attorneys accused of lying to federal ethics officials02:24
Trump undermines emergency declaration as soon as he makes it07:18
Emergency declaration could backfire, force Republican opposition08:08