A cooling unit at Lewis Prison in Buckeye sat broken for four days last week, and families on the outside started making calls about it. The Arizona Department of Corrections confirmed the evaporative cooler at the Bachman Unit was under repair from Friday until Monday. Phoenix high temperatures ran between 93 and 107 degrees across those days. Family of people housed inside described the conditions as inhumane. The department points to its heat plan, which includes handing out free ice once indoor temperatures cross a certain level. Here is what keeps this one alive. Bachman is one of three units at Lewis still listed as waiting on funding for real air conditioning, and roughly 20 units across the state prison system still run on swamp coolers, with those upgrades depending on future state budgets. An Extreme Heat Warning runs through Monday, which puts the same aging equipment right back under load. Should air conditioning in state prisons be a budget line that waits its turn? Se...