41.   But even specialists on drug policy disagree over how much influence any president can exert, particularly on a problem that increasingly involves adolescents.

42.   But health care professionals disagree over their use.

43.   But in recent months the two allies have moved apart, backing rival rebel factions and disagreeing over how to conduct the war and more recent efforts for peace.

44.   But panel members disagreed over what level of financial risk was acceptable to workers and retirees.

45.   But she and neighbors disagree over whether she hit the dog once or several times.

46.   But regardless of party, most legislators found little over which to disagree with the new governor.

47.   But President Bush and the Republican-controlled House have disagreed over how to do that.

48.   But some members of the task force that conducted the study, which was released Tuesday, disagreed over the significance of the findings.

49.   But talks broke off because the two sides disagreed over issues of creative control, says Ms. Dore.

50.   But Republicans themselves disagree over how to recast farm policy that dates from the Depression era.