Everything changing for convention coverage

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Republican National Committee Chairman Reince Priebus, left, and convention CEO William Harris unveil the stage and podium for the 2012 Republican National Convention, Monday, Aug. 20, 2012, at the Tampa Bay Times Forum in Tampa, Fla. (AP Photo/Scott Iskowitz)On the surface, television networks will cover the upcoming Republican and Democratic national conventions much like they have the past few election cycles — a limited taste on the big broadcasters, more or less full time with the cable news networks.