The award-winning StoryTown Radio Show will celebrate 15 years of its popular live production at the McKinney Center with a special Gala performance on January 26 at 7 p.m.   StoryTown is reminiscent of old-time radio shows popular in the 1930s-1950s, featuring actors performing local stories and complete with live sound effects created on the spot. Each show also features one of the top music