U.S. Republican presidential candidate George W. Bush smiles after being endorsed in his campaign by former vice-presidential candidate Jack Kemp (R) in this January 27, 2000 file photo. Kemp, a star football quarterback who became a congressman, Cabinet secretary and Republican vice presidential nominee, died on May 2, 2009 at age 73, according to media reports. Reuters Pictures 7 months ago

U.S. Republican presidential candidate George W. Bush smiles after being endorsed in his campaign by former vice-presidential candidate Jack Kemp (R) in this January 27, 2000 file photo. Kemp, a star football quarterback who became a congressman, Cabinet secretary and Republican vice presidential nominee, died on May 2, 2009 at age 73, according to media reports.