41.   Although children can be kept out of school for the presence of lice or nits, few agree how to treat the problem.

42.   But advocates of the V-chip say it can be an effective tool for keeping young children from stumbling across something they should not see.

43.   But even that failed to keep the children from quickly contracting diarrhea.

44.   But he failed to get her to disclose where the children were being kept inside the compound.

45.   But Morton tries to keep children well enough to put off transplants for as long as possible.

46.   But often, foster parents complain that they are misled into thinking they will end up keeping the child.

47.   But she returned the money when she decided to keep the child.

48.   But some parents may like the idea of keeping a child away from what they see as a troubled high school.

49.   But that was before many Republicans announced their support for keeping children of illegal immigrants out of public schools in the United States.

50.   But the federal government has rolled out a major new ally in the fight to keep children from being poisoned by lead-based paint.