51.   But American colleges are also becoming more creative in trying to draw foreign students, particularly in finding ways to help them pay for study here.

52.   But foreign students and their dependents make up only a fraction of foreign visitors and visa holders.

53.   But in the wake of the terrorist attacks, Congress has become consumed with a flurry of proposals to clamp down on visas for foreign students and others.

54.   But many colleges have been surprised to find applications from foreign students up this year, or at least holding steady.

55.   But like Nye at the Kennedy School, Bosworth and others believe there should be a limit on foreign students.

56.   But neither knows how many foreign students never show up or overstay their student visas after dropping out or completing their studies.

57.   But opposition from college administrators who work with foreign students delayed plans to expand the program nationally.

58.   But like an undetermined number of other foreign students every year, Hanjour never arrived at the college that paved his way into the country.

59.   But the move has generated a backlash, with international students who hold visas saying they are being punished with the higher rates charged foreign students.

60.   But that is because, until recently, foreign students enrolled in large-enough numbers to more than offset the American decline.