■Class discussion: Most U.S. presidents have been millionaires either before or after holding office. Does it matter to you if a candidate is rich, poor or middle class? Why or why not? Can a rich person understand the struggles of working people? George Washington is ranked as the second wealthiest president while Abraham Lincoln was one of the poorest. What makes a president great or terrible? Should all political candidates reveal their tax returns so voters can learn of any conflicts of interest? The eight richest people have more wealth than half the rest of the world. What, if anything, should be done about income inequality?