Christine Duffy received a fair share of criticism when she announced Carnival Ships would remain in the US and would not be sailing from foreign ports. A decision based on the constant ‘Carnival is America’s Cruise Line,’ which the president of the US’ largest cruise line repeated whenever there was a chance. With a return of cruising looming brightly ahead, and ships expected to start sailing, although in minimal numbers, in mid-July, it seems the former Cruise Lines International Association president was on the money when she decided to keep the ships in the United States. Advantage Carnival Cruise Line...