Which saw democrats seized control of the house of representatives while republicans tightened their hold on the senate. The president s tone was combative, suggesting concern over his brandnew vulnerability to democraticled investigations. Democrats are now vowing to protect the special counsels probe. Ill speak with congressman Joaquin Castro of the Intelligence Committee and our correspondents and specialists. They are standing by with full coverage. First, lets go straight to our chief white house correspondent, jim acosta. Jim, first of all, what is the very, very latest . Reporter wolf, we have a new acting attorney general, his name is Matt Whitaker. He has been a cnn legal contributor in the past. But has also been the chief of staff to the outgoing attorney general, Jeff Sessions. Wolf, we have a letter of resignation we could put up on screen from the attorney general. Obviously, this was a forced letter of resignation, or a firing from the president. And as you can see at th