Donald Trump knows how to milk a feud.
President Obama's release of his birth certificate Wednesday was the biggest moment in Trump's history of feuds since 2007's Wrestlemania, when wrestlers brawling on behalf of His Hairness and the WWE's Vince McMahon to determine which man would have to submit to having his head shaved.
But Wrestlemania was more dignified.
Like rappers, wrestlers and reality stars -- the "Celebrity Apprentice" host knows at least two of their worlds well -- the Donald has learned that high-profile feuds can instantly boost your notoriety. The bigger the opponent, the bigger the boost, which explains Trump taking on the president.
Is he serious about parlaying his embarrassment of the Commander in Chief into a serious run for office? Even Trump's advisors say they don't know. But there's no question Trump has cleverly and cynically manipulated a conflict-loving public to make sure everyone at least knows he's thinking about it.
Here's a guide to his feuds since he began toying with the idea.
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