Schlesinger returned to Canada in 1966 and joined the Canadian Broadcasting Corporation as executive producer of "The National" but soon returned to reporting and served as the CBC's foreign correspondent variously in Hong Kong, Paris, Washington and Berlin, reporting on the Vietnam War, the Cultural Revolution and Ping-pong diplomacy in China, the Iranian Revolution, guerrilla wars in Nicaragua and El Salvador, the fall of the Berlin Wall, and ultimately the fall of the Iron Curtain including the Velvet Revolution in his homeland of Czechoslovakia.