Sentence:  If the majority of our fellow-citizens are more susceptible to the slogans of fear and race hatred than to those of peaceful accommodation and mutual respect among human beings, our political liberties remain at the mercy of any eloquent and unscrupulous <WSD>demagogue</WSD>. 
Meaning of the word marked with <WSD> tags:  A political orator or leader who gains favor by pandering to or exciting the passions and prejudices of the audience rather than by using rational argument.