His first ad, scheduled to begin running 6/20 in eighteen states from Florida to Alaska, focuses on his bio:
http://politicalticker.blogs.cnn.com/2008/06/19/obama-emphasizes-patriotism-in-first-general-election-ad/
Edit: These are the 18 states in which the ad will run: Alaska, Colorado, Florida, Georgia, Indiana, Iowa, Michigan, Missouri, Montana, Nevada, New Hampshire, New Mexico, North Carolina, North Dakota, Ohio, Pennsylvania, Virginia and Wisconsin.
http://www.youtube.com/watch?v=ylVTBiGh00c
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