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.

President-elect Donald Trump was welcomed at the White House on Wednesday after declining to do the same for President Joe Biden after the 2020 election.