The sun beats down unforgivingly on Andre House on a hot afternoon in downtown Phoenix. Inside, the working poor and those experiencing homelessness quietly congregate seeking relief from the soaring thermometer and the mean city streets. One man stands in line, holding a small cup of foamy shaving cream as he waits for a shower and a set of clean clothing. Others sit quietly at long tables. In the back corner of the room, Mark Poulin, a retired psychiatric nurse practitioner, sets up for a ...