By Daniel Kline The cruise line, along with rivals Norwegian and Royal Caribbean, has faced (and conquered) numerous challenges over the past two years. The major cruise lines which sail out of the United States stared down a number of challenges since the covid pandemic hit. Carnival Cruise Line (CCL) – Get Carnival Corporation Report, Royal Caribbean International (RCL) – Get Royal Caribbean Group Report, and Norwegian Cruise Line (NCLH) – Get Norwegian Cruise Line Holdings Ltd. Report dealt not only with the pandemic, but also with an at-times seemingly hostile relationship with the Centers…