We’re sure they have a lot in common. Retired 68-year-old US Army general and former NATO Supreme Allied Commander Wesley K. Clark has won yet another esteemed decoration — he is dating 30-year-old Shauna Mei, the founder of online retailer AHAlife.com. Clark, who was married to Gertrude Kingston Clark for 45 years before filing for divorce last year, is spending time with the young New York-based entrepreneur, who graduated from MIT and worked at Goldman Sachs as an investment banker before launching her luxury e-commerce site. Clark and Mei were spotted together recently in the Hamptons, prompting rumors of a...