I think perhaps he overstated the effect but this article will give you a bunch of information on social mobility in the US. http://www.politifact.com/florida/

I think perhaps he overstated the effect but this article will give you a bunch of information on social mobility in the US. http://www.politifact.com/florida/statements/2014/nov/06/jeb-bush/us-workers-least-mobile-developed-world-jeb-bush/ http://www.politifact.com/florida/statements/2014/nov/06/jeb...