Toto Wolff has refused to hide his interest in Red Bull driver Max Verstappen this year. Wolff sees the world champion as the ideal replacement for the Ferrari-bound Lewis Hamilton. Predictably, this has angered some of his counterparts at Milton Keynes. Christian Horner has told him to focus on his own team and stop publicly courting the Dutchman. Thus the tension between Red Bull and Mercedes persists even though they’re no longer direct competitors on track. The Silver Arrows are 180 points behind the championship leaders after the first eight races. They find themselves in F1 purgatory bet…