By Daniel Kline Royal Caribbean has struggled with some ports not welcoming its ships due to Covid. This move could help. Cruise ships rely in part on governments permitting them to dock and have passengers disembark. As Royal Caribbean (RCL) – Get Royal Caribbean Group Report, Carnival Cruise Line (CCL) – Get Carnival Corporation Report, and Norwegian Cruise Line (NCLH) – Get Norwegian Cruise Line Holdings Ltd. Report have restarted operations after the pandemic closure, finding ports of call has been a problem. The three companies have seen planned destinations either remain closed to cruise…