Cheney pushed to expand executive power and was a key force behind the U.S.-led invasion of Iraq. FRONTLINE chronicled his influence in multiple documentaries.

The White House Effect” examines the first Bush administration and the events leading up to a pivotal climate summit in Rio de Janeiro.

"The White House Effect" directors Bonni Cohen, Pedro Kos and Jon Shenk, join "Forbes Newsroom" to discuss their documentary that explores the origins of climate change.

Vice president under George W. Bush, Cheney played a pivotal role in shaping the US "war on terror." He would later become a ...