The 14th amendment does not recognized anchor babies as citizens. If their parents are subject to another nation's jurisdiction..(ie citizens)...when they are born here...they will still be whatever nationality their parents are.
http://federalistblog.us/2005/12/birthright_citizenship_fable.html
http://idexer.com/citizenship.htm
http://federalistblog.us/mt/articles/14th_dummy_guide.htm
You and I may agree on this but millions upon millions of other American are under the belief that it does. Politicians, lawyers, immigration rights acivists and people I talk to all think it does. Only a very small percentage of people will accept the truth.