Contemplating a Murray-McEnroe coaching partnership; more mailbag
My attitude: If you have the capacity for accuracy, why not maximize it? Let the players issue as many challenges as they fit. Those abusing the system or challenging excessively will be exposed and deterred by the court of public opinion. And, as Fred notes, there is an irony that on clay, which doesn't use Hawk-Eye, appeals are limitless.
• You will have a hard time topping this for long-lost siblings.