
Robert F. Kennedy Jr., left, makes comments during the opening minutes of a interview with journalist Charlie Rose in front of a full audience at the AT&T Performing Arts Center Friday, Jan. 11, 2013, in Dallas, Texas. The Kennedys are in Dallas as a year of observances begins for the 50th anniversary of President John F. Kennedy's assassination. (AP Photo/Tony Gutierrez)

Robert F. Kennedy Jr., left, makes comments during the opening minutes of a interview with journalist Charlie Rose in front of a full audience at the AT&T Performing Arts Center Friday, Jan. 11, 2013, in Dallas, Texas. The Kennedys are in Dallas as a year of observances begins for the 50th anniversary of President John F. Kennedy's assassination. (AP Photo/Tony Gutierrez)

Norah O’Donnell covered the White House for NBC before moving to CBS. She now hosts “CBS This Morning” with Charlie Rose and Gayle King. (Invision via Associated Press)

Norah O’Donnell covered the White House for NBC before moving to CBS. She now hosts “CBS This Morning” with Charlie Rose and Gayle King. (Invision via Associated Press)

In this image released by CBS, from left, Erica Hill, Gayle King and Charlie Rose, the new hosts of a morning show that will replace "The Early Show," are shown in New York on Tuesday, Nov. 15, 2011. The network said Tuesday the perennially third-rated morning show will change its name, but didn't announce a new one. The new show premieres Jan. 9, 2012, and will air from 7:00-9:00 AM EST on CBS. (AP Photo/CBS, Craig Blankenhorn)