A court in Moscow on Friday extended the pre-trial detention of Wall Street Journal reporter Evan Gershkovich by two months, following his arrest last spring on espionage charges. The US citizen will remain behind bars until March 30, the Interfax news agency reported, citing a court press release. The hearing itself was held behind closed doors because the trial’s contents are classified as secret. Gershkovich, 32, worked as the newspaper’s Russia correspondent since January 2022. He was arrested by the FSB intelligence service in March 2023 while on a reporting trip in Yekaterinburg, about 2…