There have been some memorable keynote speakers at Democratic National Conventions over the last 36 years, from Barbara Jordan (the 5th best political speech of all time) the first African-American woman keynoter in '76, Mario Cuomo in '84 (#11), Ann Richards (#38) in '88, Jordan (and others) again in '92, of course Obama in 2004, and maybe tonight's keynote speaker Mayor Julian Castro of San Antonio, Texas. As Obama prepares for his speech on Thursday, lots go back 8 years to where is all began (and remember to thank John Kerry who personally chose Obama for the role):
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