Cancer

CBSN

Arizona Sen. John McCain says he hates the healthy diet his wife and daughter are forcing on him as he fights an aggressive form of brain cancer but expects to return to the Senate next month.

AP Photo/Jacquelyn Martin, File

Sen. John McCain, the 2008 Republican presidential nominee, Vietnam prisoner of war and political maverick in Congress for more than three decades, has been diagnosed with an aggressive type of brain tumor.

Pages