Rachel Maddow alerts viewers that while she can't tell them what it is, Richard Engel has an important scoop that will air on Friday night at 9pm ET.Nov. 17, 2017
UP NEXT
How Russia duped two Republicans with propaganda laundered through fake news sites
03:54
'Massive national security risk': Trump financial desperation makes access to U.S. secrets dangerous
04:22
'Everything's for sale': Trump's TikTok flip-flop follows disturbing pattern
11:46
Maddow calls out glaring contradiction in Katie Britt’s GOP response
03:13
'Incredibly aggressive': Biden delivers energized State of the Union
10:39
Who is Senator Katie Britt? GOP taps Alabama senator with reproductive rights in spotlight