51.   That depends on whether a college education continues to be the best and fastest route to upward mobility and higher pay.

52.   That is upward mobility.

53.   Talk about upward mobility.

54.   The Air Force offers an upward mobility that eluded him in the years after his graduation from high school.

55.   The child and grandchild of immigrants, they foresaw endless upward mobility for their offspring.

56.   The equation of upward mobility and cocaine has even carried into film.

57.   The idea of upward mobility as part of the American dream was evident by the time the Revolution made Benjamin Franklin an international figure.

58.   The implication seemed to be that a failure to contribute might jeopardize upward mobility.

59.   The Kulchak brothers share an apartment under strained sitcom circumstances, and the family itself is a study in upward mobility.

60.   The sitcom ultimately concerns the confusion that upward mobility creates for people of any race, a great American comic theme.