In spring, baltimore's inner harbor would host thousands of tourists, not dozens of national guardsmen. the u.s.s. "constellation" would be a prime attraction, but today it's a ghost ship. it's executive director is chris rosem. what has been the impact? >> basically, the-- our visitors have all but disappeared right now. >> reporter: since the unrest began, nine conventions have canceled here, costing the city at least $3.7 million. it's a loss felt not just by hotels and high-end restaurants. with fewer customers and a 10:00 p.m. curfew, low-wage restaurant workers like lenny joseph don't ge...