After a delay of almost a decade, the battle over how localities in California divvy up their responsibility for low- and moderate-income housing has been joined once again. The first battlefield is metropolitan Los Angeles, where the Southern California Association of Governments is engaged in a struggle with its own members over the "Regional Housing Needs Assessment" (RHNA) process � and is lobbying the state to reduce L.A.'s overall obligation to provide low/mod housing. The SCAG battle is ...