Comic Kathy Griffin.

Queen Noor of Jordan.

The families of detained journalists Laura Ling and Euna Lee.

Actor Tom Hanks and Director Ron Howard discuss the film "Angels and Demons."

Joan Rivers.

Van Jones; cleaning up the environment.

Debbie Phelps, mother of Olympic swimmer Michael Phelps.

Actor Michael J. Fox.

House Speaker Nancy Pelosi (D-Calif.).