CNN's Soledad O'Brien

Henry Winkler

Bruce Jenner

John Cleese

The Cast of Sesame Street

Emmitt Smith

Dee Dee Myers

Bishop Desmond Tutu

Mary Tyler Moore

Ben Stein

Captain Chelsey "Sully" Sullenberger

Cast of Mythbusters

Governor Arnold Schwarzenegger

Jane Goodall

Cast of Pawn Stars

Stephen Colbert

Leonard Nimoy and William Shatner

Spike Lee

Al Roker

Alec Baldwin

Roy Firestone

Alan Alda