Chaotic scene as Republicans disrupt impeachment deposition

Republicans briefly brought the Democrat-led impeachment investigation to a halt Wednesday when around two dozen GOP House members stormed into a closed-door deposition with a Defense Department official.Democrats said the move compromised national security because some of the Republicans brought electronic devices into a secure room.The GOP maneuver delayed a deposition with Laura Cooper, a senior Defense Department official who oversees Ukraine policy, until midafternoon.