This cannot be overstated. This simply cannot be said often enough or loud enough.
This sums up political discourse in the West; on the Left are the emotional thinkers and on the Right are the rational thinkers. (It doesn't mean that there aren't those on the Left who don't often think rationally and it doesn't mean that there aren't those on the Right who don't often think emotionally, but in general terms, I think that this is most certainly the single reason for the divide.)
Nor does it take into account those who think rationally but act as though they were as the ‘emotional type’ all for their own self gratification and career enhancements.......................