Radio program from Oneonta, Blue Light Central, celebrates 1,000 episodes By PATRICK DEWEY • Special to www.AllOTSEGO.com For the past several years since leaving the local air-waves, Mark Drnek’s blues radio show Blue Light Central has been chugging along happily on the Pacifica Radio Network, a radio company providing syndicated content for non-commercial and public radio stations across the country. Now, Drnek is celebrating 1,000 Blue Light Central shows he has produced and aired. Drnek, who is also the Eighth…