San Antonio's Mayor Julian Castro officially became one of the biggest stars in politics at the Democratic National Convention on Tuesday night. With one really, really strong speech, he cemented himself as one of his party’s most prominent heavyweights, and kind of unofficially threw his name into the hat as a possible presidential candidate at some point down the line.
Still, as good as his DNC speech was, it wasn’t his best. What was Mayor Castro’s best speech ever?
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