Democratic Function of Dissent

Read the following article "Democratic Dissent and the Trick of Rhetorical Critique Robert L. Ivie" Answer the following o What is the author’s main argument in the piece? (here you will unavoidably have to summarize thearticle);
What evidence does the author examine in order to support their argument?
Did you find the evidence compelling? Why or why not?
What is your overall impression of the article?