A new state law prompted by a deadly 2018 crash in Park Slope has become law after being signed by Gov. Cuomo, legislators announced Thursday. The rule will allow the state to suspend the licenses of drivers who have lost consciousness behind the wheel until they receive medical clearance from a doctor that they are fit to drive. “This legislation will ensure drivers who are medically unfit to drive will not be on our roads,” said Assemblyman Robert Carroll (D—Park Slope) who introduced the bill. The law comes after 44-year-old Staten Island driver Dorothy Burns plunged through a red light at Ninth Street and Fifth Avenue, slaying two children and injuring three others, including Tony-award winning actress Ruthie …