51.   This television season has been marked by turmoil because of canceled shows and last-minute changes since the terrorist attacks.

52.   Those standings represent a considerable change since last month, before the voting began.

53.   Two major changes since the last elections have made the Arab vote crucial.

54.   Virtually every major retailer is hemorrhaging money, prompting job cuts and product changes since last year.

55.   Yet the major changes since the Persian Gulf War have been reductions in Army and Air Force abilities.

56.   All three men have stayed silent about possible changes since, leading to speculation that Thomas and Fregosi were unable to sort through their differences.

57.   Augusta National has undergone many changes since Tiger Woods left last April after completing his unprecedented sweep of the four biggest tournaments in golf.

58.   But his initial reaction from meeting with his Yugoslav counterpart, Zivadin Jovanovic, indicated little has changes since the first round of talks ended.

59.   But the constituency has seen little change since then.

60.   Chamie said his impression is that there have been behavioral changes since then, especially among men reducing their number of partners and some using condoms.