11.   The bigger problem is the shaky academic foundation that many high school students bring with them.

12.   The Schools and Library Fund has been found to have a shaky legal foundation.

13.   This is a terribly shaky foundation to build a peace on.

14.   Yet, after a string of similar big accidents, the Sampoong tragedy is prompting South Koreans to ask whether their economic miracle was built on shaky foundations.

15.   Because the biggest stars stayed with CART when the two split, the IRL had a shaky foundation.

16.   But the Bosnia house has shaky foundations.

17.   Rescue workers pumped the water out Friday and hope to fortify the shaky foundation enough to finish searching the basement this weekend.

18.   Shaky legal foundation for attack against Iraq.

19.   Shaky legal foundation for attack.

20.   The cause of the collapses was unknown, though police officials believe shaky foundations and recent heavy rains could have been contributing factors.