Devon C. Bruce stood in front of the crowd Tuesday at Maggiano’s on Clark Street and asked for a show of hands. “How many lawyers do we have in the room?” asked Bruce, a partner at Power, Rogers & Smith P.C. Hands went up from a majority of the audience members. “And how many accountants do we have in the room?” Bruce asked. More hands. “And how many bankers do we have in the room? And how many local government officials do we have in the room?” Those four groups …