A desperate Long Island dad is begging US lawmakers to restore long-stalled federal money to continue funding the only lab he says is capable of treating his 5-year-old son’s extremely rare genetic disorder. Andrew Jedlicka, a New York University business professor and father of three from Merrick , has been taking his youngest child to the center in Long Island City, Queens, for the past five months to receive a new experimental treatment he said could fully cure his son. The boy, whose dad