A look into what has shaped President Donald Trump and presidential candidate Joe Biden, where they came from and how they lead.

From his days of testifying at the Watergate hearings to advising recent presidential candidate Donald Trump, Roger Stone has long offended people on both sides of the political fence as a force in conservative America. Outspoken author, pundit, ahead of his time election strategist, this is his story.

War on Whistleblowers: Free Press and the National Security State highlights four cases where whistleblowers noticed government wrong-doing and took to the media to expose the fraud and abuse. It exposes the surprisingly worsening and threatening reality for whistleblowers and the press. The film includes interviews with whistleblowers Michael DeKort, Thomas Drake, Franz Gayl and Thomas Tamm and award-winning journalists like David Carr, Lucy Dalglish, Glenn Greenwald, Seymour Hersh, Michael Isikoff, Bill Keller, Eric Lipton, Jane Mayer, Dana Priest, Tom Vanden Brook and Sharon Weinberger.

Since it began in 1983, Frontline has been airing public-affairs documentaries that explore a wide scope of the complex human experience. Frontline's goal is to extend the impact of the documentary beyond its initial broadcast by serving as a catalyst for change.

Narrated by two-time Oscar winner Emma Thompson, this documentary exposes how two of America's richest citizens, Charles and David Koch, built a vast apparatus to deny the science of climate change and get Republicans elected to office.