CHICAGO — Robin Lehner made 38 saves against his former team, Dennis Gilbert scored his first career goal and the Chicago Blackhawks beat the New York Islanders 5-2 on Friday night. Chicago Blackhawks goaltender Robin Lehner (Mike DiNovo-USA TODAY Sports) Jonathan Toews, Alex DeBrincat and Dominik Kubalik also scored for banged-up Chicago, which bounced back