How state governments and Wall Street led America's public pensions into a $4-trillion hole. Correspondent Martin Smith investigates the consequences for teachers, police, firefighters, and other public servants and who will be held accountable?

Early warnings about Facebook's impact on privacy and democracy in the U.S. and around the world. Dozens of original interviews and rare footage show how the company faced claims of misuse while becoming an unprecedented global power.

Facebook's response to charges of promoting "fake news" and disrupting American politics. Dozens of original interviews and rare footage show the company's role sowing division worldwide and the challenges facing the powerful social media platform.

Early warnings about Facebook's impact on privacy and democracy in the U.S. and around the world. Dozens of original interviews and rare footage show how the company faced claims of misuse while becoming an unprecedented global power.

Early warnings about Facebook's impact on privacy and democracy in the U.S. and around the world. Dozens of original interviews and rare footage show how the company faced claims of misuse while becoming an unprecedented global power.

Facebook's response to charges of promoting "fake news" and disrupting American politics. Dozens of original interviews and rare footage show the company's role sowing division worldwide and the challenges facing the powerful social media platform.

Early warnings about Facebook's impact on privacy and democracy in the U.S. and around the world. Dozens of original interviews and rare footage show how the company faced claims of misuse while becoming an unprecedented global power.

Facebook's response to charges of promoting "fake news" and disrupting American politics. Dozens of original interviews and rare footage show the company's role sowing division worldwide and the challenges facing the powerful social media platform.

Early warnings about Facebook's impact on privacy and democracy in the U.S. and around the world. Dozens of original interviews and rare footage show how the company faced claims of misuse while becoming an unprecedented global power.

Exposing a neo-Nazi group that has actively recruited inside the U.S. military. An investigation with ProPublica shows the group's terrorist objectives and how it gained strength after the 2017 Charlottesville rally.

Exposing a neo-Nazi group that has actively recruited inside the U.S. military. An investigation with ProPublica shows the group's terrorist objectives and how it gained strength after the 2017 Charlottesville rally.

Exposing the white supremacists and Neo-Nazis involved in the 2017 Charlottesville rally. An investigation with ProPublica shows how some of those behind the racist violence went unpunished and continued to operate around the country.

Exposing a neo-Nazi group that has actively recruited inside the U.S. military. An investigation with ProPublica shows the group's terrorist objectives and how it gained strength after the 2017 Charlottesville rally.

Exposing a neo-Nazi group that has actively recruited inside the U.S. military. An investigation with ProPublica shows the group's terrorist objectives and how it gained strength after the 2017 Charlottesville rally.