A proposal that would place at least a one-year moratorium on new fast-food restaurants in a broad swath of neighborhoods, mostly in South Los Angeles, won unanimous support from a Los Angeles City Council committee Tuesday. If approved by the full council and signed by the mayor, the law would prevent fast-food chains from opening new restaurants in a 32-square-mile area, including West Adams, Baldwin Village and Leimert Park. The moratorium would be in effect for one year, with the possibility of two six-month extensions. The measure, proposed by Councilwoman Jan Perry, whose 9th District includes much of South Los...