Cruz, like a couple of presidential candidates before him, faces a potential hurdle to running for president in that it's not 100 percent clear that he's a "natural-born citizen," as the Constitution requires presidents to be.

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Legal scholars generally agree that Cruz meets that requirement, and Cruz's office agrees (obviously). But it also remains somewhat untested in the courts.

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The nonpartisan Congressional Research Service has even weighed in on the issue, writing in November 2011 that people born to U.S. citizens in foreign countries "most likely" qualify as natural-born citizens.

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And for the few in the birther community, they see hypocrisy. Why are the media not denouncing those who question Cruz's eligibility in the same way they have denounced the so-called "birthers" who continue to question Obama's?

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Some will accuse the media of instituting a double standard when it comes to these two cases because Cruz is a Republican and Obama is a Democrat. But nobody is accusing Cruz of lying about his past as part of a vast conspiracy to become president.

It's just not an apples-to-apples comparison.

WaPo