My friend Rex Tackett, as community-minded as anyone I’ve ever known, is admired for always taking the high road, and-when necessary--the high wire as well.He takes life on with cheer, always confident of sunrise tomorrow, no matter how many clouds--dark as they may be--fluff up the sky today. He and his wife, Mariann, are stalwarts in their hometown(s) of Brownwood and Coleman, where they own and operate radio stations.Easy-going and armed with funny stories for all occasions, he is collared to speak at various functions in both communities, sometimes venturing into adjoining counties. He’s an easy mark for civic meetings,