31.   The problem is that to do so requires billions of dollars in capital.

32.   To do so requires the ability to battle for time and space as well as linemates who complement his game.

33.   To do that requires size and speed and a gift of anticipation not every linebacker has.

34.   To do this requires a statistically useful standard for judging fathers.

35.   To do so certainly required a longer concentration span than he could ever muster.

36.   To do so requires constant effort.

37.   To do so requires special permission from the National Personnel Authority.

38.   To do so would require expensive and cumbersome modifications to routing equipment.

39.   To do that would require the passage of legislation by the Republican-controlled Congress.

40.   To do this would require significant skill in chemistry since fast-growing anthrax colonies tend to become less poisonous.