Former U.S. President Bill Clinton speaks during a memorial service for journalist Walter Cronkite at Lincoln Center in New York September 9, 2009.
REUTERS/Jim Young (UNITED STATES POLITICS)
Former Apollo astronaut Buzz Aldrin speaks at a memorial service for the late CBS News anchorman Walter Cronkite, Wednesday, Sept. 9, 2009, at the Lincoln Center in New York.
(AP Photo/Charles Dharapak)
CBS Evening News anchor Katie Couric speaks at a memorial service for the late CBS News anchorman Walter Cronkite, Wednesday, Sept. 9, 2009, at the Lincoln Center in New York.
(AP Photo/Charles Dharapak)
Entertainer Jimmy Buffett performs at a memorial service for the late CBS News anchorman Walter Cronkite, Wednesday, Sept. 9, 2009, at the Lincoln Center in New York.
(AP Photo/Charles Dharapak)
U.S. President Barack Obama attends a memorial service for journalist Walter Cronkite at Lincoln Center in New York September 9, 2009.
REUTERS/Jim Young (UNITED STATES POLITICS)
U.S. President Barack Obama sits next to former President Bill Clinton during a memorial service for journalist Walter Cronkite at Lincoln Center in New York, September 9, 2009.
REUTERS/Jim Young (UNITED STATES POLITICS)
U.S. President Barack Obama attends a memorial service for journalist Walter Cronkite at Lincoln Center in New York September 9, 2009.
REUTERS/Jim Young (UNITED STATES POLITICS)