** FILE ** President Clinton looks on as outgoing Secretary of State Warren Christopher speaks at the White House in this Nov. 7, 1996, file photo. Christopher died from complications of kidney and bladder cancer at his home in Los Angeles on Friday March 18, 2011. He was 85. (AP Photo/Denis Paquin, File)

Photo by: DENIS PAQUIN

** FILE ** President Clinton looks on as outgoing Secretary of State Warren Christopher speaks at the White House in this Nov. 7, 1996, file photo. Christopher died from complications of kidney and bladder cancer at his home in Los Angeles on Friday March 18, 2011. He was 85. (AP Photo/Denis Paquin, File)