This Will Not Pass: Trump, Biden, and the Battle for America's Future by Jonathan Martin and Alexander Burns:
Most troubling to the House minority leader seemed to be Mo Brooks, the Alabama Republican who had joined Trump in riling up the mob on January 6. McCarthy was not initially familiar with what Brooks had said that day, and an aide spoke up on the call to read Brooks’s comments about “taking down names and kicking ass.” The top House Republican reacted with horror.
“You think the president deserves to be impeached for his comments—that almost goes further than what the president said,” McCarthy said.
Scalise told him there was already talk among House Republicans about stripping Brooks of his committee assignments. McCarthy sounded intrigued, asking what committees Brooks served on. An aide told him Brooks was on Armed Service, the powerful panel overseeing the American military.
McCarthy ended the call with no certain plan. He told his colleagues he wanted to lay out the facts, as he knew them, to the Republican Conference. But when he hung up, he had not committed to do anything concrete—whether it was urging Trump to resign or backing a censure motion.