The big cruise lines are losing the race against time to operate from U.S. ports in July as the month of April comes to a close. With most in the industry needing around 90 days to fully prepare a modern megaship for operation after a pause period, that would would push realistic U.S. operation timelines to August. Cruise lines will also want a confirmed green light from U.S. authorities, not wanting to spend much-needed cash to prepare a ship, only to have to send crew home or not be able to start cruising. The biggest challenge will start with just...