51.   Then, on Thursday, South Carolina Democrats suffered a serious political setback.

52.   There have been more serious setbacks.

53.   They are already debating how serious a setback it is for the administration and the security interests of the United States.

54.   This would be a serious setback for American oil interests and investment in that region.

55.   Where peacekeepers were asked to deal with warfare, serious setbacks occurred.

56.   A decision to indict Berlusconi could be a serious setback for his campaign to return to power.

57.   A proposal to allow off-track betting was dealt a serious setback Thursday.

58.   A triumph of Poplasen and other extremist candidates at the election would present a serious setback for Western efforts in Bosnia.

59.   A victory for Poplasen and other extremist candidates would present a serious setback for Western efforts in Bosnia.

60.   Agriculture has suffered serious setbacks caused by lack of funds during privatization of large state farms.