With bodies still trapped inside Costa Concordia’s underwater tomb, Carnival (CCL: 30.48, 0.00, 0.00%) now finds itself at the heart of scrutiny only likely to rise along with the death toll. Carnival’s worst-ever wreck and one of the most high-profile incidents since the Titanic sank 100 years ago, it’s hard to imagine such a massive company blaming the disaster on a single person -- even if he did abandon ship early and steer a little too close to shore. Even worse, while Carnival has vehemently denied earlier reports that it would offer survivors a 30% discount off future cruises, instead...