predictably irrational

David Greene, a government contractor in Southwest, said his daily walk from the deli near his office has become a little more intimidating now that the homeless men he passes can get a clear look at his turkey wrap, Coke and Cheetos. "It's a little awkward," Greene said. "These people are sitting on the cold cement, they're hungry and they're looking at my sandwich."

- D.C. shoppers opt for roughing it over paying 5-cent bag task