It’s different when you’re on the receiving end. The former Michigan Democratic congressman, liberal pit bull, academic, antiwar firebrand and labor-union BFF has undergone an epiphany, making him simpatico with businesses and the profit motive.When his family approached him more than four years ago about starting Zest, Bonior became a scrappy entrepreneur. He used his congressional access to knock on every one of 435 congressional offices, dropping off a flier for Zest. He worked the Metro stations, handing out coupons. He went door-to-door, as if he were campaigning.“We kept thinking of ways to reach out.”He knew it was risky. Most...