forming a quid pro quo. >> i asked the old he couldn't have committed these crimes, he's too stupid defense. >> reporter: on offense, he put up a billboard in south carolina show casing something graham once said about trump. >> i think he's a kook. he's a race-based zonephobic bigot. he's become a jackass. >> he said, i don't have your phone number. i said, there's a reason for that. >> let's try it. 202 -- >> reporter: graham responded with a cellphone-destroyed video. these days they often talk on the phone and now graham has joined trump and his relueke tans to read. president trump wouldn't like reading those old quotes. >> you know how you make america