Lots of chefs have taken their turn at the Graffiato stove in the past few years. ???I???ve had chefs from Pittsburgh, DC, Boston, Baltimore, and other places come in,??? says Isabella. ???I extend invites to the out-of-towners, but lots of locals have volunteered to come by and cook on their own.??? Isabella lists a February meal prepared by Chef Erik Bruner-Yang from Toki Underground as one of h