Ratcliffe says China poses biggest threat to U.S. since World War II

Director of National Intelligence John Ratcliffe is raising the alarm on China, telling CBS News it is this country's "greatest adversary." In an interview with CBS News senior investigative correspondent Catherine Herridge, Ratcliffe said Beijing is willing to use blackmail, bribery and covert and overt influence to ensure the U.S. enacts laws favorable to Chinese interests. Herridge joined CBSN's Tanya Rivero with more.