Michael Oberg's Zoe Communications is doubling in size with the acquisition of five Wisconsin stations from Red Rock Radio. Zoe will acquire Country "Muskie 101.1" WHSM-FM Hayward, Variety Hits "Mix 105" 104.9 WLMX-FM Balsam Lake, Sports "105.7 The Fan" WXCX Siren, Sports "Red Zone 910" WHSM Hayward, and Sports "Red Zone 1260" WXCE Amery for