when i talk to people about going on a cruise, generally speaking, anecdotally, and not scientificly,he perception is negative of the cruising industry, that it is for senior citizens, that younger people don't go on cruises, or they read about the costa concordia. how do you change that perception? arnold: that is a challenge. we have 3.5% of the vacation population that goes cruising every year. the fact is that most people love it. all these negative things really don't exist. betty: when we come back, arnold donald takes me on a tour to show me why carnival is the king of cruising. ♪ later, richard fain of royal caribbean. he's out to prove that in order to pull ahead, it's go big or go home. richard: they want the biggest and the best, and this is the biggest and best ship out there. ♪ betty: have you been on every single ship? when you walk onto one of carnivals fun ships, you notice the attractions, a county fair on water. after you dry off, it's time to take in some extravagant, vegas-style entertainment. ♪ and then it is off to a meal fit for a queen or king. and you can burn