If they show more allegiance to another country, they forfeit their anchor-baby citizenship (anchor-baby citizenship is a relatively recent phenomenon (within the last 75 years or so), and was never recognized until progressives started taking over the courts.
That's right. The 14th does not grant citizenship to children born here to foreigners (in the country illegally no less). The 14th and it's original intent have been usurped by the 1965 immigration Act.
Since when can a congressional act overturn an Amendment to the Constitution?