The Costa Concordia cruise ship disaster is one of the worst tragedies that the global maritime industry has witnessed in recent times. 17 people died with another 15 still missing after the ship crashed into rocks off the Tuscan coast. Analysts are predicting that the accident will have a long-term "material impact' on revenues for the ship's owner Carnival, which is the world's largest cruise operator. Chris Lewis is the founder and CEO of LEWIS PR. He is an expert in crisis communications and he's been talking to Ian Williams, a senior consultant at LEWIS PR... LEWIS Costa Crisis Podcast Click on the image below to watch a video of Chris Lewis being interviewed on the crisis by Bloomberg TV.