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WASHINGTON - DECEMBER 15:  U.S. Sen. John McCain (R-AZ) addresses the Heritage Foundation December 15, 2009 in Washington, DC. Sen. McCain spoke on the war in Afghanistan and President Obama's decision to deploy more troops there.  (Photo by Alex Wong/Getty Images)
WASHINGTON - DECEMBER 15:  U.S. Sen. John McCain (R-AZ) addresses the Heritage Foundation December 15, 2009 in Washington, DC. Sen. McCain spoke on the war in Afghanistan and President Obama's decision to deploy more troops there.  (Photo by Alex Wong/Getty Images)

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    John McCain isn't like most politicians

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John McCain isn't like most politicians

Senator John McCain, who has been diagnosed with brain cancer, is one of a kind. He often does things that more tepid politicians would avoid.

John McCain isn't like most politicians

Senator John McCain, who has been diagnosed with brain cancer, is one of a kind. He often does things that more tepid politicians would avoid.