21.   Bluestein said the price is the biggest obstacle.

22.   Beyond the legal issues, the biggest obstacle is credibility.

23.   According to a recent Jupiter survey, Internet users who do not shop online cite the high costs of shipping and handling as the biggest obstacle.

24.   Adams said the biggest obstacles are those fearful of the future.

25.   But as anyone who has used the Internet knows, the biggest obstacle to such gee-whiz applications is bandwidth.

26.   But attendance was by far the biggest obstacle.

27.   But bureaucracy certainly presents the biggest single obstacle to both growth and democracy.

28.   But as the last two congressional sessions have shown, money is not the biggest obstacle to a prescription drug benefit.

29.   But his biggest obstacle was not tussling with the Chinese bureaucracy or outmaneuvering government restrictions on Internet access.

30.   But money is the biggest obstacle.