Villaraigosa, like Obama, has a radical leftwing history (as outlined in my post) and is motivated from similar ethics, values and instincts. Villaraigosa's wall has nothing to do with your simple neighborly competition interpretation. You better learn from the history of these radical "leaders" before it's too late.
“It’s class warfare, and it’s the kind of language that you would expect from the leader of a third world country, not the President of the United States,” said Rubio.
http://www.postonpolitics.com/2011/07/rubio-rips-obamas-class-warfare-and-left-wing-strongman-rhetoric/