right wing racial hatred has always divided this nation, it got worse during the '50s / '60s cos of the civil rights movements which improved relations somewhat among the educated but further inflamed the haters and it really pissed them off that they could no longer widely impose their toxic will or lynch with impunity. cue newt gingrich and his non-stop pounding of the wedge...
then ol' black Obama comes along after the disastrous dubya / cheny years and legitimately beats the crap out of the never right... TWICE! while heading a historic economic recovery and the hate mob's throbbing head veins couldn't take the pressure any more.
he irreparably divided this country merely by being black and then kicking righty butts for 8 years, they simply couldn't handle it and typically errant righty rants repeatedly prove it.
the only place to show O as the worst president in world history will be some little second hand trailer home found stuck in a ditch and used as a post-term trump library.