Posted on June 13, 2015 by David Martin Davies in NPR NPR, By David Martin Davies Every Tuesday night, Joan Cheever hits the streets of San Antonio to feed the homeless. In a decade, she’s rarely missed a night. But on a recent, windy Tuesday, something new happens. The police show up. “He says we have to have a permit,” Cheever says. “We have a permit. We are a licensed nonprofit food truck.”