View Post NBC Affiliates | ShopTalk | TV Biz J. Roger Powe III Named Interim GM at WMGM By Merrill Knox on May. 8, 2013 - 11:34 AM J. Roger Powe III has been named interim general manager at WMGM, the NBC affiliate in Wildwood-Atlantic City, N.J., according to The Press of Atlantic City. Powe has been the station’s general sales manager since 2005. He r ...