By REBECCA BOONE, Associated Press BOISE, Idaho (AP) — Brad Vanzant uses a wheelchair, has one kidney, and since 2015 has relied on catheters to drain his bladder. He's also an Idaho prison inmate, which means his medical supplies must be approved and provided by the state's private health care contractor, Corizon Health. So when a Corizon doctor told him earlier this month his supply of catheters