As Barack Obama is sworn in for his second term, Frontline takes a probing look at the first four years of his presidency. With inside accounts from his battles with his Republican opponents over health care and the economy to his dramatic expansion of targeted killings of enemies, Frontline examines the president's key decisions and the experiences that will inform his second term.

Frontline investigates the secret history of the unprecedented surveillance program that began in the wake of September 11th and continues today. As big technology companies encouraged users to share more and more information about their lives, they created a trove of data that could be useful not simply to advertisers, but also to the government. The revelations of NSA contractor Edward Snowden would push Silicon Valley into the center of a debate...

For two years, special counsel Robert Mueller's probe into Russian meddling in the 2016 election dominated news headlines and rocked Washington D.C. Drawing on in-depth interviews with senior law enforcement officials, Trump insiders, attorneys, authors and journalists, FRONTLINE offers an inside look into the investigation that President Donald Trump has continually deemed a 'witch hunt.'.

In a special 4-hour investigation, Frontline tells the inside story of the struggles to rescue and repair a shattered economy, exploring key decisions, missed opportunities, and the unprecedented and uneasy partnership between government leaders and titans of finance that affects the fortunes of millions of people around the world.

Part one of an investigation into the deep political divisions and bitter polarization that grew during the Obama presidency. The film examines how President Obama's promise of change and unity collided with racial and political realities. Part two of an investigation into the deep divisions and bitter polarization that grew during the Obama presidency. The film examines racial tensions in America, the war for control of the GOP, and the growing dysfunction...