The Athenian politician Cleon was one of the earliest demagogues. An effective, if vulgar speaker, he made extravagant promises and delivered extravagant accusations.
An expert in American political rhetoric explains why Trump's controversial retweets are actually an extremely effective rhetorical device.
Insults are tossed about in an election year but the word "demagogue" has a particular bite. But what is a demagogue and how do the 2016 candidates compare with demagogues in history?