The Republicans have had their say, and now it's time for the Democrats to hold their national convention. Watch CNN.com Live for gavel-to-gavel coverage.
Today's programming highlights...
12:00 pm ET - Biden Labor Day rally - Vice President Biden spends part of his day in Michigan, where he'll address an AFL-CIO Labor Day rally in Detroit.
12:30 pm ET - Obama marks Labor Day - President Obama begins his Labor Day in Toledo, Ohio, where he'll speak at a United Auto Workers Labor Day celebration. He'll then travel to Louisiana to tour areas damaged by Hurricane Isaac.
1:20 pm ET - Ryan rally - GOP vice presidential candidate Rep. Paul Ryan goes back to school this afternoon when he holds a rally on the campus of East Carolina University in Greenville, North Carolina.
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