The HBO documentary "John McCain: For Whom the Bell Tolls" looks at the Arizona senator's personal and political life over his long political career. HBO's 'John McCain: For Whom the Bell Tolls' isn't a eulogy The HBO documentary "John McCain: For Whom the Bell Tolls" looks at the Arizona senator's personal and political life over his long political career.

For all the names worn by Arizona Sen. John McCain - "maverick" the best remembered - the veteran, ex-POW and presidential nominee is hard to label. From jokester to 'maverick,' John McCain is a study in contradictions For all the names worn by Arizona Sen. John McCain - "maverick" the best remembered - the veteran, ex-POW and presidential nominee is hard to label.