Creating The Monster That Is @RealDonaldTrump

Jacob Weisberg talks to Peter Costanzo, the man who got Donald Trump on Twitter. Trumpcast is brought to you by Texture. Get access to your favorite magazines all in one place. Learn more about Texture and start your free trial today by going to Texture.com/TRUMPCAST. Learn more about your ad choices. Visit megaphone.fm/adchoices