Of course it's invalid Nigel, anything that is not your opinion must be invalid. Personally, I agree with him, you should be able to challenge whenever you want. If it's close to regionals then make it a two out of three series to avoid having a match where one kid gets lucky.

But really Nigel, you need to stop being so obdurate. Not everyone does things the Abilene way and you need to accept that. Perhaps you may even see that their way are better, whether it's how you would want to do it or not.