Rob you know that as Obama was head of the Harvard law review, he has no problem with Ted Cruz.
http://harvardlawreview.org/2015/03/on-the-meaning-of-natural-born-citizen/
"While the field of candidates for the next presidential election is still taking shape, at least one potential candidate, Senator Ted Cruz, was born in a Canadian hospital to a U.S. citizen mother.15×
15. See Monica Langley, Ted Cruz, Invoking Reagan, Angers GOP Colleagues But Wins Fans Elsewhere, Wall St. J. (Apr. 18, 2014, 11:36 PM), http://www.wsj.com/articles/SB10001424052702303873604579494001552603692.
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Despite the happenstance of a birth across the border, there is no question that Senator Cruz has been a citizen from birth and is thus a “natural born Citizen†within the meaning of the Constitution. Indeed, because his father had also been resident in the United States, Senator Cruz would have been a “natural born Citizen†even under the Naturalization Act of 1790. Similarly, in 2008, one of the two major party candidates for President, Senator John McCain, was born outside the United States on a U.S. military base in the Panama Canal Zone to a U.S. citizen parent"