i retweet. i retweet for a reason. >> reporter: what about trump's original tweets? >> i do a lot of things by myself. people would be surprised. people are shocked at how smart i am. right? >> reporter: he has been tangling with jeb bush calling him weak on immigration. jeb bush never uses his last name. he is ashamed of the name bush? a sad situation. go jeb. bush has tweeted back calling trump among other things a tax hiking democrat, fighting words. he has gone old school taking it back to the soapbox with this swipe. >> they think that volume in their language is a version of leadership. talking is not leadership. doing is leadership. >> reporter: trump's twitter steel pre-dade hpredates his pr