21.   Even that would cause enormous difficulties.

22.   They say it could cause difficulties, but are waiting to see whether the idea will come to fruition.

23.   And if the person killed was the principal breadwinner, a long delay in finding a body can cause difficulties.

24.   And wet ink can cause difficulties.

25.   Arthritis and other infirmities common to old age can can cause difficulties, not to mention erectile impotency or lubrication problems.

26.   A controversial death-penalty provision may cause difficulties, and the ban on assault weapons is not as safe as it once seemed.

27.   But as the Banking Committee chairman, he can cause great difficulties for the banks, which depend on their ability to trade securities and bank on Wall Street.

28.   But Gooding said the different styles did not cause them difficulty on camera.

29.   But Lalas caused Quinn difficulty in the air and appeared to hold his own in a bruising battle of elbows and forearms.

30.   Cause some difficulty by showing signs of senility?