The below video was made by the National Republican Senatorial Committee (NRSC) in response to the release of President Obama's announcement of his reelection campaign.
http://www.youtube.com/watch?v=VIA5aszzA18&feature=player_embedded
Here's the AP video on the beginning of the 2012 campaign.
http://www.youtube.com/watch?v=ky23S8qcFMM
