The EU/Swiss deal is (I think) an all-or-nothing deal about immigration/customs/etc where either side can pull out completely. Switzerland might have just pulled out completely.
That'll be a first.
e.g. http://en.wikipedia.org/wiki/Treaty_establishing_a_Constitut...
These are the people that have not even mentioned the situation in Turkey. Hell, they haven't even stopped treaty negotiations about Turkey joining the EU.