Former Vice President Dick Cheney, who pushed to expand executive power and was a key force behind the U.S.-led invasion of Iraq, has died. FRONTLINE chronicled Cheney’s influence in a number of ...

In 2003, the United States invaded Iraq to topple dictator Saddam Hussein. During the subsequent eight years, the U.S. spent trillions of dollars and lost thousands of American lives fighting an ...

FRONTLINE first reported on the emergence of the Islamic State of Iraq and Syria in early February 2014, months before the group made international headlines declaring its own caliphate. Since then, ...