Sen. John McCain, a towering figure in American politics, has died at age 81 following a battle with brain cancer. Look back at McCain's life, politics and legacy, from his years as a POW in Vietnam, to his dramatic 2017 vote against the GOP's health care bill. Subscribe on YouTube: bit.ly/1BycsJW [NOTE: This is an updated version of a program that originally aired on April 17, 2018.] Twitter: twitter.com/frontlinepbs Facebook: www.facebook.com/frontline Google+: plus.google.com/+frontline/posts Stream +200 FRONTLINE documentaries for free, here: to.pbs.org/hxRvQP Funding for FRONTLINE is provided through the support of PBS viewers and by the Corporation for Public Broadcasting. Major funding for FRONTLINE is provided by the John D. and Catherine T. MacArthur Foundation and the Ford Foundation. Additional funding is provided by the Abrams Foundation, the Park Foundation, The John and Helen Glessner Family Trust, and the FRONTLINE Journalism Fund with major support from Jon and Jo Ann Hagler on behalf of the Jon L. Hagler Foundation.