Does Sec 320 apply to Ted Cruz? Does Sec 320 apply to Ted Cruz?More fitting appears to be Sec 301(a)(7)
http://www.bu.edu/lawlibrary/PDFs/research/portals/66stat163.pdf
"...SEC. 301. (a) The following shall be nationals and citizens of the United States at birth:
{...there's a laundry list of birth circumstances under (1) through (6) and then the following for (7)...}
(7) a person born outside the geographical limits of the United States and its outlying possessions of parents one of whom is an alien, and the other a citizen of the United States who, prior to the birth of such person, was physically present in the United States or its outlying possessions for a period or periods totaling not less than ten years, at least five of which were after attaining the age of fourteen years: Provided, That any periods of honorable service in the Armed Forces of the United States by such citizen parent may be included in computing the physical presence requirements of this paragraph..."