MADISON, Wis. (AP) – Federal officials have granted the state of Wisconsin a waiver to make changes championed by Republican Gov. Scott Walker to the state’s Medicaid BadgerCare program. Walker’s administration announced Thursday that it had received the waiver from the federal Centers for Medicare and Medicaid Services. Walker’s plan, approved by the Legislature, would end Medicaid coverage for about 77,000 adults who earn just above the federal poverty line. At the same time, about 83,000 childless adults currently without coverage would be brought into the program. Those kicked off of Medicaid under Walker’s plan instead will purchase subsidized insurance on the federal exchange. The plan was originally to take effect in January but Walker and the Legislature pushed it back to April. The federal waiver runs through the end of 2018.