Sen. McCain diagnosed with brain tumor after clot is removed

WASHINGTON — 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.The 80-year-old Arizona lawmaker has glioblastoma, according to doctors at the Mayo Clinic in Phoenix, where McCain had a blood clot removed from above his left eye last Friday. He and his family are considering further treatment, including chemotherapy and radiation."Subseq