Trump's latest claim is that he will extinguish the automatic US citizenship of babies born to illegal immigrants in the States with an "executive order". Apparently, the idiot doesn't realize that "birthright citizenship" is specifically protected under the 14th Amendment to the US Constitution. The tomfoolery continues....
https://www.gibsondunn.com/wp-content/uploads/documents/publications/Ho-DefiningAmerican.pdf
https://www.gibsondunn.com/wp-content/uploads/documents/publications/Ho-DefiningAmerican.pdf