Charlotte Motor Speedway (Concord, N.C.) — The Kyle Busch Celebration of Life included many stories about the fiery two-time Cup champion. While the stories and memories and tributes flowed, it was the people closest to Busch that helped celebrate him the most. His 11-year-old son, Brexton, ended the hour-long program by doing burnouts in one of his father’s Cup cars. He then stood on the car’s roof, took a checkered flag from his mom, Samantha, and 4-year-old sister, Lennix, and did a signature Kyle Busch bow. Busch had performed that bow many times during his 234 career NASCAR national serie...