For the Democratic National Committee, Job One right now is promoting Barack Obama’s American Jobs Act.

So the DNC has launched an ad campaign promoting the president’s $447 billion plan.

Via Politico:

According to the Democratic National Committee, the ads will run in some key media markets: Denver, Colorado; Tampa and Orlando, Florida; Des Moines, Iowa; Las Vegas , Nevada; Manchester, New Hampshire; Raleigh and Charlotte, North Carolina; Columbus and Cleveland, Ohio; Norfolk, Richmond, and Roanoke, Virginia; and Washington, DC.

Key to Obama’s 2012 prospects: There are a lot of key markets out there.