AVONDALE, Ariz. (AP) — The new face of NASCAR circled Phoenix Raceway for a celebratory lap of his finest achievement. Chase Elliott, NASCAR’s most popular driver, was now a Cup champion, too.He came upon teammate Jimmie Johnson, who banged doors with Elliott. Then the seven-time champion, in his final race, gave Elliott a fist bump.The torch has officially been passed.This is NASCAR’s Camelot.Elliott did what