President Donald Trump is spending his first full day back in the White House meeting with congressional leaders, making an infrastructure announcement and demonstrating one of his favored expressions of power: firing people.

President Donald Trump is swiftly breaching the traditional boundaries of presidential power as he returns to the White House, bringing to bear a lifetime of bending the limits in courthouses, boardrooms and politics to forge an expansive view of his authority.

Donald Trump took the Oath of Office and was sworn in as the 47th President of the United States. He is only the second man in the nation’s history to return to the Oval Office after a hiatus. He has promised to "act with historic speed" – and on his first day in office,

Joe Biden’s preemptive pardons are a valid use of pardon power. But they break new ground as a shield for those the president seeks to protect, scholars say.

Trump signs series of executive orders, including pardoning Jan. 6 rioters and pulling U.S. from Paris climate accord. Follow along for live updates and analysis.

Trump offered a scathing rebuke of his predecessor's term while laying out the immediate actions he plans to take on the first day of his second term in office.