Sen. John McCain acknowledged he is trailing Sen. Barack Obama in the 2008 presidential race, but says he long ago got used to being an "underdog" and willl keep fighting because he insists the Democratic nominee has neither the experience nor the candor to win the White House.
"This is a tough campaign," McCain told ABC News' Charlie Gibson in an exclusive interview. "I'm the underdog. I've always been the underdog from the beginning."
And in a surprising tactic, McCain repeatedly invoked...Full Story