Click-to-Tweet: .@SeabournCruise Seabourn Sojourn return to service on June 6, 2022, from Athens, Greece for a sun-soaked European summer. (https://bit.ly/SBN-Sojourn) SEATTLE, June 6, 2022 /PRNewswire/ — Seabourn is celebrating the return of its entire fleet of ultra-luxury ships, with…