Article continues below advertisementStephen A. Smith is known for his high-volume sports takes, but his latest commentary had nothing to do with the NBA.Instead, the ESPN personality delivered a blistering critique of President Donald Trump, calling him an "unmitigated disaster" in a televised appearance that's now rippling across both political and entertainment circles.Article continues below advertisement'A Pathological Liar'Tap Here To Add Ok Magazine as A Trusted SourceSource: Jimmy Kimmel Live/YOUTUBEHe dismissed Donald Trump's 'doctor' explanation for the viral image.