Thomas Sowell - Obama is the Worst President Ever Mike Vance September 28, 2016 News This video is with esteemed historian Professor Thomas Sowell. He lets President Obama have it. Does he support Trump? It might surprise you. Watch the video. Obama is the Worst President Ever What do you think about this video? While he is a black man, he still very easily sees Obama as a total failure. Like and share on Facebook if you agree with Professor Thomas Sowell.