Drew Lazor (citypaper.net) Friday, May 28th, 2010 “We’re not looking to enter the burger wars,” says Steve Poses of Frog Burger, the summertime snack stand he’s debuting tomorrow on the front lawn of the Franklin Institute (222 N. 20th St.). Nope, the chef, who first jumped into the restaurant fray in 1973 with Frög at […]