51.   All of them have income limits.

52.   All the recorders and both programs have limits.

53.   Although Clinton is an engaged tourist, gazing intently at artifacts and offering observations to his tour guides, he also has shown that he has his limits.

54.   Although Denson suggests using a split end-smoothing natural bristle brush while blowing the hair straight, he concedes that styling alone has its limits.

55.   Although digital license plate readers have their limits, some industry experts suggest that they could be used to monitor traffic for possible security threats.

56.   Brotherhood, even the Olympics variety, has its limits.

57.   But a long-term study published this year in The Journal of the American Medical Association showed that the surgery had its limits.

58.   But ardor and earnestness have their limits.

59.   But as Michael Rego of Hooksett, N.H. discovered this weekend, so-called foolproof technology has its limits.

60.   But as to aiding other people who live among the axis, the Bush administration says civility has its limits.