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Brokaw: Reagan's Debate Challenge

As the Clinton-Trump showdown approaches, Tom Brokaw looks at how debates played a big role in the re-election of Ronald Reagan. In one crucial debate, Reagan's skills as a communicator failed him, raising doubts about his age – until he dramatically solved the problem in the next debate with a single, unforgettable line. A timely reminder that debates have the power to make and break presidential campaigns.