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The presidential candidate has been an ambassador, a governor and a business executive. But he also had an unusual academic career for a presidential candidate. And some of his former endeavors might surprise you.

You may know that Santorum is a self-described "champion of faith and families, a defender of the taxpayer and a believer in American Exceptionalism." But there may be a few things you don't know.

She has led a highly visible life speaking out for tax reform and the sanctity of the family and campaigning against "Obamacare" and same-sex marriage. But there may still be a few things you don't know.

He believes in cutting taxes, rolling back regulations, balancing the budget and increasing domestic energy production. Here are a few other things politics watchers will tell you that you might not know about Perry.

Everybody knows that this GOP presidential hopeful favors low taxes, free markets and commodity-backed currency. But you might not know about Paul's past as a fraternity brother — or that his own party once pulled a dirty trick on him.

The former Massachusetts governor has been a public figure for much of his life. But there are still some things about the presidential candidate that may surprise you.

Newt Gingrich has been in the public eye for decades. Now that he is a potential presidential nominee, we wonder: Is there anything new to know about Newt? Maybe.