In a housing emergency, the “scale” of affordable housing developments shouldn’t be a NIMBY veto point. (AIDS Healthcare Foundation)Los Angeles might have just stumbled into one of the biggest affordable housing success stories in recent memory.In one of her first actions as mayor, Karen Bass signed an executive directive that allows 100% affordable housing developments to be fast-tracked and super-sized. A little over a year later, that program, known as ED1, appears to be succeeding well beyon...