Invisible laws which led to America’s housing crisis, Arizona pushes back
NEW YORK (CNN) — In the 1910s, US cities began enacting policies that would shape neighborhoods and, unintentionally, lay the roots for the severe housing shortage today: single-family zoning laws.Zoning laws, at their most basic, follow a simple concept. In one part of town, only factories can be built. In another section of town, only…