Elon Musk, a huge backer of Trump's 2024 bid who was named on Tuesday night as the head of a new Office of Government Efficiency, was with Trump on his plane as they headed to Washington, a source said. He attended the House Republican conference meeting in Washington with Trump, a source familiar with House Republicans told CBS News.

The logs were stacked high and flames filled the Oval Office fireplace as President Joe Biden sat next to President-elect Donald Trump on Wednesday. Biden smiled and extended his hand in welcome. It was a meeting Biden hoped could bring down the temperature in American politics but the halting introductions betrayed the awkwardness of the moment.