31.   But comfort like that does not last at the U.S. Open, especially on a course set up as difficult as Olympic is.

32.   But covering the logistics Sunday was not as difficult as working on the mental part.

33.   But as difficult as it might be to believe, those things are not universally considered holy by all.

34.   But finding a publisher proved almost as difficult as finding a translator.

35.   But even if Tech hangs on to its coach, things will become as difficult as the Georgetown press.

36.   But reforming the military may prove as difficult as installing an enduring democracy.

37.   But reform of fire policy in most wild lands outside nature reserves may be as difficult as reforming health care policy, Pyne said.

38.   City politicians required the owners of burned-out stores to re-apply for their drink licenses from scratch, and made the process as difficult as possible.

39.   Conception becomes increasingly difficult as years pass, and children born of older moms risk birth defects.

40.   Congress had being making life as difficult as possible for Castaneda even before last week.