51.   But former colleagues said he was devastated.

52.   But former colleagues say Corzine erred by behaving like the CEO of a public company before Goldman had become one.

53.   But former colleagues say he lacks an innate ability to lead.

54.   But Levin had chosen to teach at Taft, colleagues said, after becoming disillusioned with the corporate culture.

55.   But many pilots have said they have heard colleagues say that they had no idea their last vote against the agreement might lead to a strike.

56.   But she had a full roster of cases, and colleagues say she set to work on them.

57.   But that is changing, too, she says, exuding the optimism and energy her colleagues say recharges those around her.

58.   But she might be persuaded to stay if she is offered a Cabinet job, her colleagues say.

59.   But the two Neanderthal DNA sequences are very different from those of modern humans, Goodwin and his colleagues say.

60.   But the greater threat to Nesson, some colleagues say, may lie in what the episode says about his own mental health.