Russian President Vladimir Putin said more U.S.-Russian prisoner exchange deals are "possible" in press conference Friday after the successful release of WNBA star Brittney Griner. WATCH FULL EPISODES OF WORLD NEWS TONIGHT: https://abc.com/shows/world-news-tonight WATCH WORLD NEWS TONIGHT ON HULU: https://bit.ly/3iQLwPp #PrisonerExchanges #VladimirPutin #WorldNewsTonight