John Oliver's epic 'Brexit' takedown is a thing of beauty

Wondering what a "Brexit" is? Or why you should care? Or what John Oliver thinks about the whole thing?
Oliver fully explains the debate around the U.K.'s upcoming referendum on membership in the European Union with his typical style of well-researched hilarity and wit. 
He then concludes with a truly epic rant, and summarises his feelings with the help of a barbershop quartet: F*ck the European Union, but we need you!
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