As the omicron variant of the coronavirus continues to surge onboard cruise ships, forcing several cruise lines to cancel and postpone voyages, Atlantis Events, a gay and lesbian tour operator, is preparing to launch one of its biggest events Sunday: a 4,700-person Caribbean cruise marking the company’s 30th anniversary. Even as the pandemic is raging around the world and the Centers for Disease Control and Prevention has issued a stark warning telling Americans to avoid travel on cruise ships, regardless of their vaccination status, Atlantis insists that its vaccination mandate, testing requirements and health protocols are enough to provide a...