Mika Brzezinski reacts to President Trump's tweet about Sen. Kirsten Gillibrand, WH Press Secretary Sanders' comments about Trump's tweet and Sen. Gillibrand's response.Dec. 13, 2017
UP NEXT
Joe: Democracy is on the line when Trump says Jan. 6 rioting is normal political behavior
10:53
Biden anxious and angry behind the scenes about re-election effort
06:40
'American Sycamore' author says novel is about good people facing difficult times
03:01
Putin feels he has nothing to lose inside Russia, warns Economist editor
06:22
Michael Beschloss: We have never seen anything remotely like this in U.S. history
05:17
'The people in Ukraine are my heroes,' says actress and activist Ivanna Sakhno