that's what makes donald trump's situation so interesting and novel. >> sreenivasan: beverly gage, onethe things that came up at least historical, doing searches for this, the daisy ad, lbj campaign, one of the most striking one minute ads we have ever seen, a little girl picking petals, and we zoom into her eyeball and see this atomic explosion with the narrator coming up. >> that was a lyndon johnson ad targeting barry goldwater. came one of the most shock political ads, which suggested if you vote for barry goldwaiter you would get a nuclear holocaust. the establishment didn't like goldwater at all, they thought he was an extremist, using violent rhetoric, taking groups like the john bimp society, really -- birch society, divided the party, one thing that we are going to see playing out now is just how much control does a party have over its own nominee. >> sreenivasan: michael beschloss does selling fear work? >> it sometimes does. wendell wilkie never said anything remotely like we are talking about, about disarming groups but he did say if you elect franklin roosevelt even though