The "I have a dream" section of Martin Luther King Jr.'s historic speech at the March on Washington in 1963 "was just one of many high points in what Geoffrey Klinger, associate professor of communications at DePauw University, says is one of the strongest speeches in the history of American public address -- or, as he calls it, 'the Snickers bar of rhetoric.' " The Root gets analysis from Klinger and others in a piece marking the 50th anniversary of the address.
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