Sarah Sanders whines that Democrats are 'acting childish' after AG Barr throws a fit and threatens not to testify

White House Press Secretary Sarah Sanders on Monday called House Democrats "childish" because they plan to allow counsel for both parties to question Attorney General William Barr.

Barr threatened not to testify before the House Judiciary Committee over the approach taken by Chairman Jerry Nadler (D-NY).

Sanders told reporters outside the White House on Monday that the move was "outrageous."

"Frankly, they're just acting really childish," Sanders reportedly said. "It's almost embarrassing to the House Democrats, the way that they're behaving."

Read Sanders' remarks below.