Los Angeles Times:  “Links found by researchers between snack foods and obesity in poor communities are prompting new calls for more regulation of convenience stores in South Los Angeles.  The proposed new regulations under discussion are an outgrowth and expansion of last year’s city restrictions on new fast-food restaurants in a 32-square-mile area of South Los Angeles. . . . A study . . . said calories from snacks were a likely culprit of higher obesity rates . . . .”