President Barack Obama is at the National Archives in Washington this morning to speak about his administration's national security policy. And, as NPR's Jackie Northam reports, he's expected to give more details about his plans for closing the military prison camp at Guantanamo Bay.

Click the "play" button below to follow our live updates. Later, we're also hoping to have live updates from a speech that former vice president Dick Cheney will deliver at the American Enterprise Institute in Washington.