Should Christians be political, should they take an interest in politics?
Yes, to the best of ones ability. Its very hard to get good information, period. With out good info, how can you make an informed decision.
Politicians tend to pander to the ignorant/uninformed which is the majority of the voting populace.
The most you can do is pick the lesser of two evils.
Ron Paul...IMO is stuck in time, unsophisticated and lacks depth of thought.