When the Russian tanks roll westward, what defence for you and me? Colonel Sloman’s Essex Rifles? Or the 66-year-old chairman of the WTA? Well, there’s an unusual thing. It turns out there is at least one body in sport, and indeed in public life, with the guts, the spleen, the fuzzy green balls to make a stand in the face of power and basic questions of right and wrong. It isn’t clear what the full implications might be of the decision by the Women’s Tennis Association to suspend its activities…