31.  But as for any ties with extremist groups, she said, there are none.

32.  But authorities and those who monitor extremist groups doubt that the people behind the Alabama bombing are connected to the original group.

33.  But the extremist groups have taken this to conspiratorial heights.

34.  But Pakistani officials said they suspect members of an extremist group called Harkat ul Anasar, which the U.S. State Department recently declared a terrorist organization.

35.  But the episode, which attracted national media coverage, also raised questions about who Stockman is and what ties, if any, he has to extremist groups.

36.  But specialists who study extremist groups say the danger is the swelling movement, whose members embrace wild conspiracy theories and use anger as their principal organizing tool.

37.  But the Southern Poverty Law Center and other organizations that monitor extremist groups say the Oklahoma City bombing seems to have been a turning point.

38.  But those who monitor right-wing extremist groups say the courts are on a collision course with law enforcement and the government.

39.  But, in university student elections, the extremist group Hamas usually comes out the winner.

40.  But Waugh said that it would be difficult for many right-wing extremist groups to work with Mideast terrorists.