11.   And the problem persists today.

12.   As the problems persisted, Mayberry moved out of the Gore-owned house.

13.   As the mechanical problems persist, the player loses confidence and treats every appearance as a must-win situation.

14.   After years of discussions about inadequately treating pain in people with life-threatening illnesses, problems persist, the report said.

15.   Brokers suspected that problems may persist.

16.   But a look at Guatemala today shows that serious problems persist.

17.   But despite the uplifting reports, old problems persist.

18.   But he acknowledged that problems persist.

19.   But immigration examiners in several parts of the country said problems persisted.

20.   But intermittent problems have persisted, and Ms. Whitman has not hesitated to tap powerful Silicon Valley connections to help her.