AFTER nearly two weeks of living among the Occupy Wall Street protesters in downtown Manhattan, Ellis Roberts, 25, a Pennsylvania garbage collector laid off last year, looked scruffy and dazed. He was not, however, hungry. “I’ve been here for 12 days, and I’ve put on 5 pounds,” he said, sitting on the ground in front of a handmade sign that said “Class War Ahead.” “I’m eating better than I do at home.” Like the rest of his anti-corporate comrades, Mr. Roberts learned soon after arriving in Zuccotti Park that his meals would be taken care of. All he had to...