At the conclusion of a press conference detailing the swap with Russia to return American prisoners to the U.S., including Wall Street Journal reporter Evan Gershkovich and ex-U.S. Marine Paul Whelan, President Joe Biden nailed Donald Trump for leaving one of them in jail when he was in office. With Whelan finally returning home after being arrested in 2018 — midway during the Trump presidency — Biden was asked on the way out what he had to say to the former president who has been promising to get the hostages released if he is re-elected again. “‘The president [Trump] said repeatedly that he …