Evan Gershkovich: Waiting for her brother, Putin’s ‘bargaining chip’ in Russian jail BBC.comKremlin says silence essential for any Gershkovich prisoner exchange ReutersRussia Extends Evan Gershkovich’s Detention for a Fifth Time The New York TimesEvan Gershkovich: US journalist marks one year in Russian prison The Associated PressWSJ’s Evan Gershkovich has been a Russian hostage for a full year: Get him freed NOW New York Post