Michael Coleman, general manager for WDET 101.9 FM, faces trial next month in Ann Arbor on felony embezzlement of less than $20,000. Coleman, 40, former deputy director of Michigan Public Media, was one of three former employees of the Ann Arbor-based operator of WUOM 91.7 FM charged with accepting airline tickets, Persian rugs, golf club memberships and more in return for underwriting announcements.