A Superior Court judge yesterday granted an order to show cause in connection with a lawsuit filed by 21 municipalities challenging the fourth-round rules of affordable housing obligations. (The Court’s Order can be found here.) As a result, the State and other defendants will have to show why the Court should not Order for the legislation enacting the fourth-round rules and all obligations of New Jersey municipalities under the legislation to be stayed pending final judgment of the Court. The viability and, if they survive, the timing of the fourth-round rules are now in limbo.…