Three US citizens imprisoned in Russia are expected to be released today under a major prisoner exchange deal Reporter Evan Gershkovich, Marine veteran Paul Whelan, and Russian-American radio journalist Alsu Kurmasheva will be released under the deal agreed by the Biden administration, a senior US official confirms Others are believed to be part of the exchange, which is expected to take place later today The exchange will involve 24 prisoners held in Russia, the US, Germany and three...