Trump takes power in Washington, declaring "America's decline is over"
Inauguration falls on MLK Day in rare occurrence
Cities brace for immigration crackdown under Trump
Biden grants last-minute pardons to family and Trump critics
Trump to withdraw U.S. from Paris climate agreement again
Senate confirms Marco Rubio as secretary of state
Trump staffers-in-waiting passed time at Kennedy Center before swearing-in
State Dept staff shakeup accelerated ahead of Trump's inauguration, 2 sources say
