US President Joe Biden and Vice President Kamala Harris welcomed journalist Evan Gershkovich and former US marine Paul Whelan as they landed in the US following their release as part of a major prisoner exchange with Russia. A White House live feed showed Biden and Harris greeting Gershkovich, Whelan and Russian-American journalist Alsu Kurmasheva as they disembarked a plane which landed at Joint Base Andrews just after 11:30 pm on Thursday (0330 GMT Friday). Russia, Belarus and several Western countries exchanged a total of 26 prisoners at Ankara airport in an unprecedented operation involvin…