Presidential debates are forums designed to present and select candidates for national office: Their purpose is to provide opportunities for candidates to win over undecided voters, to reinforce voters who have already made a decision about who to vote for, and to change the minds of those who are willing to reconsider their initial judgments concerning which candidate seems more fit to serve as president. Edward Hinck argues that debates are not primarily about presidential policy-making. Rather, they are opportunities to demonstrate a candidate's ability to lead by summarizing, in a...