61.   But the school closing prompted a sharp debate among parents, advocates and educators about how far in advance families should be notified of a day off.

62.   But there is a lively debate among donors and experts over whether gifts of technology are the best way to help underdeveloped nations.

63.   But there is debate even among gun-control advocates about the effectiveness of the requirement.

64.   But there is no debate among the faithful.

65.   But there is still debate among Republican proponents of the amendment over which chamber should take up the issue first.

66.   But while Puerto Rican Barbie has been received enthusiastically in Puerto Rico, it has caused a heated debate among Puerto Ricans in the United States.

67.   But when a judge must judge a debate among historians, relying on testimony from other historians, something of scholarly free inquiry is lost.

68.   By cutting interest rates Wednesday, the Federal Reserve managed to offer support to both sides of this intense debate among economists and investors.

69.   By cutting interest rates, the Federal Reserve managed to offer support to both sides of this intense debate among economists and investors.

70.   Censure has been a subject of some debate among scholars of the Constitution, although a substantial number of officeholders, Democrats and Republicans alike, have embraced it.