The legacy of John McCain

A look back, remembering the life of Arizona senator and Vietnam War hero John McCain and his profound dedication to the United States. SUBSCRIBE to ABC NEWS:    / abcnews   Watch More on http://abcnews.go.com/ LIKE ABC News on FACEBOOK   / abcnews   FOLLOW ABC News on TWITTER:   / abc   GOOD MORNING AMERICA'S HOMEPAGE: https://www.goodmorningamerica.com/