Most memorable moments from past conventions
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Khizr Khan, father of fallen Army Capt. Humayun S. M. Khan, holds up a copy of the U.S. as his wife listens during the final day of the Democratic National Convention in Philadelphia, July 28, 2016. Waving a copy of the U.S. Constitution in a searing speech, Khan spoke directly to Republican presidential candidate Donald Trump,“Let me ask you: Have you even read the United States Constitution? I will gladly lend you my copy.” Khan said, "You have sacrificed nothing and no one."