51.   They have engaged in vigorous debate.

52.   Yet many educators are still engaged in vigorous debates about whether laptop programs are really the panacea that some claim.

53.   A vigorous debate has erupted in Jamaica since the government announced its intention to resume hangings.

54.   Culture Secretary Chris Smith said he hoped there would be a vigorous debate on the proposals before the government makes its decision on the license fee in the autumn.

55.   However, Mahathir was unable to persuade his fellow Apec leaders to back his crusade against currency speculators despite a vigorous debate.

56.   The conference here has also been the venue for a vigorous debate between the United States and Europe on what the priorities should be in the anti-poverty campaign.