Spencer could face charges BY MIKE HARRIS Associated Press BROOKLYN, MICH.--NASCAR driver Jimmy Spencer could face assault charges after allegedly attacking fellow competitor Kurt Busch following Sunday's GFS Marketplace 400. As the drivers came onto pit lane at Michigan International Speedway following the checkered flag, Spencer drove into the rear of Busch's car and spun it around. Witnesses said Spencer then got out of his car, raced up to Busch's car and punched Busch several times in the face. Sheriff's deputies pulled Spencer away and took him to the NASCAR hauler. The witnesses said Busch, who finished 18th after running...