All true.   CCL may have an even tougher journey ahead.   The whole industry faces all the obvious mega-challenges of zero revenue, parked ships, newly intensified regulatory scrutiny and a business model that requires a mass market with solid discretionary income.    But beyond that, CCL's lines made the short-term-profit play in February and March to keep sailing until the bitter end ... and well beyond. The income from the trips may prove to be most costly than any sto