Watch Keith Olbermann Expertly Rip Apart Donald Trump in a 17-Minute Rant

Keith Olbermann is back and he's going after Donald Trump — hard. The former MSNBC and Current TV host is starring in a new digital series for GQ magazine called The Closer and kicked off the biweekly show with a 17-minute takedown of the GOP nominee.

Olbermann called Trump "the most dangerous individual ever nominated by a major party for the highest office in this country" and said he was a "demonic messiah in Oompa Loompa's clothing." He then listed 176 reasons Trump shouldn't be president, which include some of his most ridiculous lies and offensive quotes about women. Watch the full show and then check out other criticisms of Trump.