Personally I tend to lean to the right of politics, as I am sure some GN's may have noticed. 
However, I hope I am mature enough to leave the politics of bias where it belongs, out of my mind. If an idea is wrong then I would say so, likewise if I feel something is a good valid point I would say so, irrespective of whichever party has said it. That point does not however come over very well when you are answering a thread in favour of one party but if people waited they may see you commented favourably against that party on a different subject later on. I know I have jumped too quickly in the past to 'sound off' so I fully appreciate that is easier said than done. It only comes if GN's don't judge too quickly what they make of fellow GN's.
I do really hate the politics of spin and hypocrisy, sadly that applies to all parties and the majority of their die hard supporters.
I dislike it though when someone makes a snide, obvious politically biased retort to a perfectly reasonable comment made by someone of a different political view. This childish behaviour only stops a thread from progressing with intelligent debate or, as in some cases, does make the poster feel they are intruding in a sort of a one party forum.
Why does it have to be so clear cut which party you support. Isn't there a serious point of watching, listening and making a judgement call as to who you support at that time?. I like to think I am not particularly 'shackled' to a party and would vote for them even if I thought they were bad for the country or my town .
The ideal party for me would be a bit of a 'mix and match'. That will never happen so I appreciate the naivity of that comment, just wishful thinking on my part.
The word 'lurkers' is often used on threads and I believe a lot of GN's choose to keep to the old saying, 'Never talk about politics or religion'. That doesn't mean they are not interested in either subject, they probably can't be bothered to argue their case nor find it a worthwhile pursuit disagreeing with those who are not interested in listening to another point of view. No more no less than that.