New Jersey sued the U.S. Environmental Protection Agency Wednesday, arguing that regulators aren’t doing enough to protect Garden State air from out-of-state pollution.It was the Garden State’sthird lawsuit against the EPA in four months. It’s all about a long-standing struggle over smog from other parts of the country that winds up in Jersey skies. The Sierra Club filed a similar suit with other environmental groups in February, according to court records.The complaints target different air quality rules. The state attorney general’s office argued Wednesday that the EPA wasn’t moving fast eno...