Unverified Trump, Russia blackmail allegations roil US politics
05:11Richard 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 scandal
20:56Manafort hid Russian intel-tied contacts, faces decades of prison
10:56Manafort lies related to Mueller probe's 'undisputed core': judge
04:55Two Trump attorneys accused of lying to federal ethics officials
02:24Trump undermines emergency declaration as soon as he makes it
07:18Emergency declaration could backfire, force Republican opposition
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