Before practice began Saturday in Homestead, the NASCAR Cup Series’ controversies from a week earlier were still just about all anyone wanted to talk about at Homestead-Miami Speedway. Bubba Wallace, one of the highest profile drivers in the Cup Series, won’t be racing in the 2022 Dixie Vodka 400 this weekend after spinning out Kyle Larson in a “dangerous act” of retaliation Sunday and earning a one-race suspension. Combine it with the usual late-season, last-chance revenge seeking and the way Homestead-Miami always rewards aggression, and the chaos and controversy of these NASCAR playoffs, ra…