Broad isn't a cheat
If there wasn't a referral system or if there were referrals left, he may have walked.
The Aussies have to use the referral system correctly.
Clarke seems to use if as soon as he can.
I just hope Andersen keeps straying just a little bit and Watson punishes him so that Cook gets forced to take him off earlier than he would otherwise. The more of Finn we have to face the better!