31.   Social mobility had its consumerist counterpart in the doctrine of planned obsolescence.

32.   Social mobility, moreover, is fueled by movement.

33.   Social mobility allows some of the poor to make the leap to the comfortable middle.

34.   Social mobility is a favorite subject among bike lovers.

35.   That structure has fallen away for the British-born second generation, but the jobs needed to ensure social mobility and economic advancement do not exist.

36.   The preferred Korean avenue for social mobility is not entrepreneurship, but education.

37.   The report adds that Americans can not comfort themselves by thinking that theirs is a society of social mobility and second chances.

38.   The tobacco field was a school where formal education was an unaffordable luxury and social mobility a distant dream.

39.   Third is the challenge of inequality and social mobility.

40.   We like to believe this is a nation of great social mobility.