11.   Additional precautions would be unnecessary and unwieldy given the size of his caseload.

12.   Administration officials insisted the precautions were necessary because of credible information that the White House had been a terrorist target.

13.   Air traffic is not yet back to normal, but security precautions are in place, passengers are polite and the inconvenience of long lines is tolerable.

14.   All these precautions are worthwhile.

15.   But certain precautions are necessary.

16.   But extra precaution is always helpful.

17.   But security precautions are not enough.

18.   But some say the precautions are unneccessary.

19.   But the disaster in Rwanda was so great that such precautions were pitifully inadequate.

20.   But the precautions are not for them but for the costly chips.