It seems this one was skipped.
Oh, politics is biological?
Like a type? Or a Darwin thing maybe?
Which, which one has more children?
And that would be the simplest way to divvy, wouldn’t it?
approach-avoidant spectrum
maybe label it with letters or something I dunno
“we find that greater orientation to aversive stimuli tends to be associated with right-of-centre”
realistic
“greater orientation to appetitive (pleasing) stimuli with left-of-centre political inclinations.”
fantastical
hmm
Philosophies of a Disenchanted Scholar 
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