May 27, 2018 By Reid Spencer NASCAR Wire Service CONCORD, N.C. – Unable to contain himself, Kyle Busch let out an elated scream as his car entered Turn 3 on the 400th and final lap of Sunday night’s Coca-Cola 600 at Charlotte Motor Speedway. And now, for the driver of the No. 18 Joe Gibbs Racing Toyota, you’re going to need a bigger broom. From start to finish, Busch fashioned a dominating victory at the only active Monster Energy NASCAR Cup Series track at which he had never won a points event. That makes Busch the only driver in NASCAR history who…