It doesn't really matter what he or anyone else thinks of the wall. Every nation has the right and duty to safeguard their country and people. The only ones who are going to be angry or upset are the ones who currently benefit from the open border. It is that simple. Immigrants can still come to America in droves, it will just have to be legally and through the front door.

It is so ironic that someone like Vicente Fox had the opportunity to help his country but failed. The proof is the massive emigration from Mexico to the US during his tenure.