Former Rep. Trey Gowdy stunned House investigators recently by all but announcing the existence of secret FBI recordings of Trump campaign foreign policy volunteer adviser George Papadopoulos, made in the summer of 2016 by an undercover FBI operation. Gowdy made the revelation in an interview Sunday with Fox Business' Maria Bartiromo. "There are a lot of serious questions that need to be asked" during Attorney General William Barr's investigation into the origins of the Trump-Russia probe, Gowdy said. Among them: "Where are the transcripts, if any exist, between the informants and the telephone calls to George Papadopoulos?" Papadopoulos, an energy...