Extended-Phenotype Ref should stop the game?
Team losing badly, fans just get all racist. Game stopped, draw.
Not should, can.
It's part of Law 5 and backed up by a UEFA Executive Comittee resolution from 2009.
I can dig it out now, or I can dig it out of the 'coaching course stuff that I'm never going to use again' box in my bedroom's wall of boxes.
(Actually, I found it - http://www.uefa.org/socialresponsibilit ... 43681.html, and http://www.fifa.com/aboutfifa/footballd ... 90832.html )