Hillary Clinton and Donald Trump are two of the most polarizing presidential candidates in modern history. Veteran Frontline filmmaker Michael Kirk goes beyond the headlines to investigate what has shaped these two candidates, where they came from, how they lead and why they want one of the most difficult jobs imaginable.

The inside story of President Trump’s gamble to confront China over trade. Reporting from the U.S. and China, FRONTLINE and NPR investigate what led the world’s two largest economies to the brink, and the billions at stake.