An exploration of Sen. John McCain's complicated relationship with President Trump and his own Republican Party. Subscribe on YouTube: bit.ly/1BycsJW "McCain" traces the GOP’s evolution across McCain’s political lifetime, and how President Trump came to see him as a foe. From McCain’s experience as a prisoner of war in Vietnam, to speaking out against torture during the Bush administration, to his dramatic vote against the GOP’s health care bill last year, to how his choice of Sarah Palin as running mate contributed to a growing challenge to the party establishment, "McCain" traces the conservative standard-bearer’s motivations and his political history. "McCain" premieres Tues., April 17 at 10/9c on PBS & online: to.pbs.org/2GD55N2 Twitter: twitter.com/frontlinepbs Facebook: www.facebook.com/frontline Instagram: www.instagram.com/frontlinepbs FRONTLINE is streaming more than 200 documentaries online, 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. 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.