Unverified Trump, Russia blackmail allegations roil US politics05:11
Richard Engel, NBC News chief foreign correspondent, talks with Rachel Maddow about a report that Donald Trump and President Obama were briefed on unverified claims that Russia has compromised Trump with a cache of incriminating or scandalous material.
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