"This is a quintessentially American sport. It represents the best of America," Giuliani told fans Sunday at NASCAR's Ford 400 at the Homestead-Miami Speedway.
Giuliani, a former mayor of New York, so far in the campaign has made two stops at NASCAR races in Florida and one in New Hampshire.
Giuliani last summer said he prepared by reading "The Female Fan Guide to Motorsports," The Washington Post reported Monday.
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