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Obama, Romney Iowa ads

From NBC's Domenico Montanaro and Mark Murray
Obama and Romney are up in Iowa with new 30-second TV ads.

Obama's spot focuses on government reform, is slickly produced and cuts together clips of his announcement speech in Springfield, Ill., and newspaper articles highlighting his days as a state senator.

Romney's ad focuses on immigration, specifically calls for employment verification and says "amnesty is not the answer." The ad is polished and features Romney speaking at a town hall meeting with the backdrop of a large American flag and a heavy drum beat playing.

Obama's ad will be mixed in with a previous biographical ad, which is running in Iowa, on cable and network affiliates. The campaign says it is a moderate, targeted buy.