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Meacham: MLK joined the founding fathers 50 years ago today

13:10

Top Talkers: The Morning Joe panel – including Random House's Jon Meacham, MSNBC's Richard Wolffe and Rev. Al Sharpton – discusses the 50th anniversary of the 1963 March on Washington and why Martin Luther King Jr.'s "I Have a Dream" speech is one of the most important in American history.