21.   The results undermine prevailing theories about how group behavior evolved, as well as tarnish a beloved childhood icon.

22.   The prevailing theory is that anything can happen when UCLA and USC collide, but that is not true.

23.   The prevailing theory is that with more money, he could be.

24.   There are two prevailing theories about this massive screw-up, which will cost literally hundreds of millions of dollars to fix.

25.   Togias said in an interview that the prevailing theory about asthma was that patients were hypersensitive to irritants and that their airways reacted differently from those of normal people.

26.   Two American officials said that this was the prevailing theory among U.S. experts as to how the French could have accomplished their mission.

27.   Yet the prevailing theory is these same Cowboys have something to prove.

28.   That stands on end the prevailing theory that apnea acts on the heart.

29.   The prevailing theory is that a hunter became infected after being scratched by a chimp when trying to capture it or after cutting himself while butchering the animal.

30.   The prevailing theory among other scientists is that Polynesia was populated directly from Southeast Asia.