51.   But a corrupt prison system has allowed dozens of paramilitary fighters to walk free, and Soto slipped out and remains at large.

52.   But Bergt said the computer systems allowed any airline to use any counter in case passenger lines backed up.

53.   But critics say the system allowed many companies to forestall installing pollution control equipment.

54.   But he said he hoped the final system would allow the president to appoint cabinet ministers from outside politics.

55.   But he rented anyway, because the British political system by and large allowed him to.

56.   But it is impossible that such a system would allow everyone to pay less taxes and still raise the same amount of money as the current system.

57.   But new systems are allowing data networks to handle voice calls as well, by translating the sound into digital data.

58.   But it lost business to newer competitors, including On Command and Lodgenet, whose systems allowed hotel guests to order movies any time they wanted.

59.   But the NBA system allows you to have two consolation prizes, too.

60.   But the Soviet system did not allow individual athletes to profit from success, prohibiting them from playing elsewhere.