joseph mccarthy, george wallace, david duke has a burst, in louisiana, was a demagogue. and in history, when i talk about -- is beneficial, paradoxically you can have a demagogue, they test establish rules. if the rules are on just a, there's a chapter of british history where a demagogue was used as a term of praise. some demagogues' offer something. they can do good. most of the time, the term accurately is negative for harsh. >> since you brought it up, what is an example of a good demagogue and why? >> the head of solidarity in poland when they were overturning the regime, the soviet regime, that was the beneficial demagogue, boris yeltsin in russia, a beneficial demagogue. there are a paradoxes, qe long was a dangerous figure in american politics but he paved highways, built public hospitals, public schools. his relationship to the people was routed on his boundless willingness to manipulate them for his own benefit but also in doing good things for thousands of people. >> the fight to save democracy from its worst enemies, the subtitle of your book, who is fighting