FranticFish - 11:35 am on Feb 7, 2013 (gmt 0)

Say I link to your home page and you don't want me to, what do you do? You can't STOP me linking to you - there is a legal precedent in at least one jurisdiction that no permission need be sought to link to any site.

You can disavow the link in WMT but beyond that you have no other course of action.