STEPHEN K. BANNON was the CEO of Donald Trump's presidential campaign and served as chief strategist and senior counselor at the White House. He was also previously a chairman of Breitbart News and a banker at Goldman Sachs. Bannon is the founder of Citizens of the American Republic, a non-profit organization that advocates for populism and economic nationalism, and is an advisor to populist leaders in the United States and Europe. DAVID FRUM is one of North America's leading public intellectuals, staunch critic of modern conservatism and its co-mingling with populist politics, and a former speechwriter for the George W. Bush White House. Frum is currently a senior editor of the Atlantic and a frequent media commentator in Canada and the U.S. He is the author of nine books, most recently the New York Times bestseller Trumpocracy: The Corruption of the American Republic.