> we basically don't have a Southern border. Perhaps it would be more accurate to say you didn't have a southern border. From 2005 net immigration from Mexico

> we basically don't have a Southern border. Perhaps it would be more accurate to say you didn't have a southern border. From 2005 net immigration from Mexico has been negative: http://www.pewhispanic.org/2015/11/19/more-mexicans-leaving-than-coming-to-the-u-s/ http://www.pewhispanic.org/2015/11/19/more-mexicans-leaving-...