2008 Presidential Nominating Conventions
"Political parties in the United States hold nominating conventions every four years to formally select who will be their presidential candidate. This year, the Democratic National Convention will begin Aug. 25 in Denver. The Republican National Convention will begin on Sept. 1 in St. Paul, Minn. The U.S. Census Bureau provides social, economic, demographic and business data for the two host cities, or their surrounding counties."