'Political bias could be a matter of genetics, say scientists.They have identified a so-called ‘Liberal Gene’ that makes people more likely to seek out less conventional political views.
The gene, a neurotransmitter in the brain called DRD4, could even be stimulated by the novelty value of radical opinions, claim the U.S. researchers.'
Well. I suppose that it's as good an explanation as any to explain the crass stupidity of the left and the politically correct.
