1.   The growth in their numbers this century has led to a longstanding debate about their position in the class structure.

2.   Both sides in this longstanding debate are right, of course, but both sides can be satisfied only if the original language is one the spectator understands.

3.   But the most bitter exchange erupted over a longstanding debate over health care plans.

4.   It is not our province to resolve this longstanding debate.

5.   It would also rekindle a longstanding debate among economists about the fairest and most efficient way for the government to raise the revenue it needs.

6.   It will also fuel the longstanding scientific debate over whether Agent Orange is linked to a variety of other diseases, including cancer.

7.   That action now seems likely to reopen a longstanding debate over whether there has been a conspiracy behind anti-abortion violence.

8.   The new evidence, Novas and Puerta wrote, could help settle a longstanding debate over the origin of powered flight by birds.

9.   The petition has stirred a longstanding debate about the advisability of restoring aging works of art, in which each side accuses the other of advocating malpractice.

10.   The verdicts Wednesday revived a longstanding debate among officials who deal with terrorism.