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Associated Press
FILE - In this Dec. 23, 1971 file photo, President Richard Nixon addresses a gathering in the White House State Dining Room after signing the National Cancer Act, a $1.6 billion federal crusade to find a cure for cancer. Behind the president, from left to right: Rep. Paul Rogers, D-Fla. (in front of flag); Sen. Edward Kennedy, D-Mass.; and Rep. William L. Springer, R-Ill. Others are unidentified. (AP Photo)

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