Timothy Noah, at the New Republic, acknowledges that Cong. Paul Ryan has a fine, even bracing, set of talking points on the relative difference between America and Europe, with Americans supporting a less egalitarian society but one with greater upward mobility, compared to hidebound Europe, with its oppressive welfare state, stifling upward mobility in its efforts to preserve equality. Only problem? It ain't true. There is now less upward mobility in the US than in Europe.