Slow and steady can win the diet drug race

(Reuters) – Vivus Inc, vying to create the world's first billion-dollar weight-loss pill, is taking a cautious approach to marketing in an attempt to overcome the skepticism, safety concerns and lawsuits that have dogged the diet drug industry. The company has lost nearly half of its market value since lackluster sales tarnished the September launch of the first new weight-loss pill in the United States for 13 years. Two of its it's largest shareholders have questioned the company's strategy. …