> The counterexample to that theory is that cities with warm climates and good economies, like Houston and Atlanta, are falling behind in terms of average incom

> The counterexample to that theory is that cities with warm climates and good economies, like Houston and Atlanta, are falling behind in terms of average income relative to places like New York. I would actually attribute the income disparity to the powerful political opposition to labor unions in both Georgia and Texas. Unions have far more protection under New York law than in either of those states.