The situation was unfortunate for Peng Shuai, but the officials' reaction was unfair to Caroline Wozniacki. Somebody should have taken charge when a heat illness left Peng unable to finish her US Open semifinal.
Surly or sweet? An intimidating world-beater or an insecure self-loather? At this point, after walking the tightrope atop the women's game for more than a decade, the only surprise is when Serena Williams doesn't surprise.