On Dec. 13, 2000, after perhaps the most hotly contested presidential election in American history (and a Supreme Court decision that divided Americans), Al Gore did one of the most important things that keeps American democracy working: he conceded. "Let there be no doubt: While I strongly disagree with the court's decision, I accept it," he said in a seven-minute statement. He added, "And tonight for the sake of our unity as a people and the strength of our democracy, I offer my concession." YouTube No one expected a recount process that would drag out until December. But this year,...