LIVE BLOG: Trump Sworn in as 45th US President

Donald Trump is now the 45th president of the United States. After swearing his allegiance to the Constitution in a ceremony at the US Capitol Friday, Trump delivered a 16-minute address stressing his campaign theme - "make America great again." The 70-year-old president, holding elective office for the first time in his life, told a crowd of several hundred thousand people at the National Mall that his administration will transfer power away from Washington and return it to the American people.