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the largest haul yet. the winner takes all of them and seizes momentum as the clear-cut front-runner. so if the polls are right, mitt romney could be coasting to an easy win. cnns john zarella is at a polling place in tampa. johns, hows the turnout been? >> reporter: real good. this is actually the largest republican precinct in hillsboro county, the tampa area. about 3800 registered republicans here, and turnout has been very good this morning. a lot of people going before work. a lot...

Private advertiize it, how do w sure it stays safe? does that mean theres government involvement in regulating it? tell me how that works. >> so safety is number one for any of these companies. one failure with a person on board and they are likely out of business. no one is going to be more adamant about safety than they are. ultimately nasa is going to set the safety standards. the vehicles being built by them are pemeeting the same safety standards as the shuttle derived vehicles being propos...