It’s pretty unusual when a Nike campaign involves a sports figure who hasn’t played for years. Usually, that player was a legend — but in this case, he was an above-average player who turned into a bust and then got mired in personal controversy. That’s what made Nike’s decision to put Colin Kaepernick on its latest advertisements such a bizarre decision. After all, there were plenty of reasons he could have been chased from the league that weren’t just related to his decision to protest the national anthem. There was his play. There was that tweet his girlfriend sent which...