John Cena, Barack Obama and More Celebrities Remember 9/11: See Their Touching Tributes
It's the 23rd anniversary of the 9/11 attacks that shook America to its core.
Katie Couric
Alex Trebek’s Final ‘Jeopardy!’ Airs Tonight
A new guest host has also been chosen.
Katie Couric, Meredith Vieira Will Return to ‘Today’ as Temporary Co-Hosts
Couric left the morning show in 2006, and Vieira filmed her last show in 2011.
![Katie Couric Falls Down Stairs in James Corden April Fools’ Prank [VIDEO]](http://townsquare.media/site/252/files/2015/04/Katie-Couric-James-Corden-Prank.jpg?w=980&q=75)
Katie Couric Falls Down Stairs in James Corden April Fools’ Prank [VIDEO]
James Corden thought his worst nightmare came true when Katie Couric completely wiped out during an April 1 appearance on The Late Late Show.