Yup.
Only the Presidency is closed to naturalized citizens.
The Founders presumed the equality of American citizens for all other elective offices.
If Cruz is a natural born citizen; he’s eligible to run for President.
If he is a naturalized citizen, he cannot become President.
Cruz should show the paperwork.
It's basically the same thing many of us expected Obama to do. It shouldn't be hard.
Wrong, and simple reasoning proves it. When the Founders wrote the Constitution they had an understanding of the definitions of each word that they used. If natural born was to be defined by a future Congress they would have indicated as much. They didn’t, and this proves that natural born had a singular meaning, not subject to the whims of future legislative bodies. Also, if it had no special meaning there is no reason to say anything other than “citizen at birth.” It is self-evident that Congress can instantly naturalize anyone born anywhere by statute. This is why Cruz was a citizen at birth, Congress passed a law granted citizenship to the children born abroad to U.S. Citizens. This is not a special circumstance guaranteeing a fondness for America, it is an allowance for naturalization in utero. Statutes are required, therefore there is nothing “natural” about the citizen.