1.   Vigorous and often hostile debate has persisted among the advocates of these three conceptions of how politics works.

2.   But even as many border crossings remain closed here and political tensions persist among the three governments, an ambitious effort is under way to rehabilitate the area.

3.   But the feeling persists among Rangers faithful that the home team is never far from a recurring case of the Pinstripe Flu.

4.   But the performance gap persists even among children of similar family income and language backgrounds.

5.   Despite the new openness, divisions have persisted among the Ogoni.

6.   Differences persist among member states of the EU, delaying a final agreement with the U.S., negotiators said.

7.   Pockets of bitterness persist among the scaled-down American civilian population in Panama.

8.   Still, industry opposition persisted among companies such as Mutual of Omaha that sell a lot of policies directly to individuals.

9.   That view of AIDS as a racial and cultural invasion persists among some Indians.

10.   The fear of massive nuclear annihilation still, however, persists among House Republicans.