** FILE ** Vice President Richard Nixon and his wife, Pat, pose for photos while campaigning for the presidency at Rockefeller Center in New York in June 1960. (AP Photo)
President Richard Nixon (right), shown with Redskins coach George Allen on Jan. 2, 1973, challenged the NFL to change its blackout policy. (Associated Press)
Norman Rockwell said President Nixon was "the hardest man I ever painted," and opted to make him look good. (Photograph provided by the National Portrait Gallery)
A 1971 photo of a woman holding pingpong paddles bearing caricatures of President Nixon and China's Mao Zedong recalls that year's Chinese-U.S. match in Dortmund, Germany, which led to Nixon's historic visit to Beijing. (Associated Press)
** FILE ** In this Aug. 9, 1974, file photo, Richard Nixon says goodbye to members of his staff outside the White House in Washington as he boards a helicopter for Andrews Air Force Base after resigning the presidency in Washington. (AP Photo/File)
Vice President Richard M. Nixon drives from the tee at Congressional in August 1957 in one of the photos on display in the club's History Hall. (Congressional Country Club)
The Nixon Center, founded by President Richard M. Nixon before he died in 1994, has dropped "Nixon" to become the more generic Center for the National Interest. (Associated Press)