Campus Radio, a movie conceived and set in San Marcos, is had its world premiere not in L.A. or New York, but at the Starplex Theatre on Feb. 4.  Shot in 2008 and 2009 in Austin and San Marcos, Campus Radio is a romantic comedy about a band manager torn between his love of the band and his love of its sexy new singer.Written and directed by Aaron James Sorensen, Campus Radio stars Canadian actor Tom Belding and Austin actress and singer Lauren Walsh.