@cnbc: President Donald J. Trump was sworn in as the 47th #president of the United States. He is only the second ever to be elected to serve two non-consecutive terms. Supreme Court Justice John Roberts administered the oath of office to #Trump as now-former President Joe Biden looked on in the U.S. Capitol Rotunda in Washington, D.C. See CNBC’s live blog of Trump’s #inauguration and his first day in office at the #LinkInBio. #cnbc