Sea of blue disabled placards in many US cities

Portland, Ore., city commissioner Steve Novick stands next to a car in downtown that uses a disabled placard to park for free without a time limit on Thursday, Sept. 5, 2013, in Portland, Ore. Those cars stay all day long, costing the city meter revenue while reducing the turnover that shop owners like to see. Portland officials are now looking to charge disabled people who are not in wheelchairs for parking. (AP Photo/Nigel Duara)PORTLAND, Ore. (AP) — A blue placard dangling from the rear-view mirror is the equivalent of parking gold for drivers in many cities — they can park for free and for as long as they want. Now there's a gold rush on for them.