Union leaders in New York are asking lawmakers to give cab drivers a grace period to double park so they can run into a facility for a bathroom break. At a rally on Sunday, the New York State Federation of Taxi Drivers union asked for the Taxi and Limousine Commission to issue emergency placards to cab drivers as one solution. The placards would allow drivers to park in unauthorized areas for up to 10 minutes, without penalties, so they could use the bathroom. Drivers say fines can be as high as $200 for illegally parking to use the bathroom……