Nine years of wings on the San Diego waterfront. Wing Fest returns to Broadway Pier on June 13 for its 9th Annual edition — more chefs, more vendors, a competitive cooking showdown where the city's best wing makers go head to head on flavor, and a crowd that has made this one of San Diego's most consistent summer food events. This is not a sampling exercise. It is a proper festival: live DJs, lawn games, local sauce vendors, beer and spirits sampling, and the kind of food community that strikes up conversations about what is in their hand. The competitive element is real — professional chefs, local restaurants, and independent …