seemed to be concocted by a college freshman experimenting in their dorm room. our senior media correspondent brian stelter has more on the feud and why it may go back to something deeply personal. >> look at those hands. are they small hands? >> reporter: donald trump is not one to let things go. at this gop debate in march he famously defended the size of his hands, among other things. >> i guarantee you there's no problem. i guarantee you. >> reporter: the original insult about trump's hands can be traced back to this guy, "vanity fair" editor graydon carter who called trump a short-fingered vulgarian in the '80s. attacking "vanity fair" in a tweet, trump predicted carter would be fired. he said in 2012 that he couldn't