Dave Rubin of The Rubin Report used to be a big progressive. He even had a show with The Young Turks! But now he's not a progressive. He has left the left. Why? Dave Rubin shares his story. Donate today to PragerU! http://l.prageru.com/2ylo1Yt Have you taken the pledge for school choice? Click here! http://www.schoolchoicenow.com Joining PragerU is free! Sign up now to get all our videos as soo