President Joe Biden on Thursday hailed the complex prisoner-swap deal with Russia that freed unjustly imprisoned Wall Street Journal reporter Evan Gershkovich, former U.S. Marine Paul Whelan, and two others in exchange for prisoners including Russian assassin Vadim Krasikov as a prodigious “feat of diplomacy.” Biden said all four of the recovered prisoners were “convicted in show trials” by Russia “for absolutely no legitimate reason whatsoever.” In addition to Gershkovich and Whelan, the freed detainees included Russian American journalist Alsu Kurmasheva and Vladimir Kara-Muza, a U.S. green-card holder and Washington Post contributor who was sentenced to 25 years in prison...