Milwaukee Ald. Ashanti Hamilton got to the heart of the matter at a community meeting on the north side Monday when he said, "We all have a role to play in the condition of the city. Ninety percent of the work doesn't cost money. It's a change in the mind-set of the people who live right here." Of course, a few more police on the streets also can help. Hamilton spoke at a meeting of the Black Male Achievement Advisory Committee, but that meeting — with more than 100 people in attendance — turned into a community forum on violence...