I suspect they’ve had Bernie’s number since his old Trotskyite days in Chicago 1964...
“When Sanders was mayor, Burlington formed an alliance with another city – in the Soviet Union. When Sanders traveled to Yaroslavl, 160 miles north-east of Moscow, in 1988, the trip doubled as a honeymoon with his new wife, Jane. Not much survived in terms of paperwork from that trip, although the mayoral archives do contain a tape recording of Sanders interviewing Yaroslavl’s mayor on a boat somewhere on the Volga river.”