11.   Technology is our biggest enemy, she says.

12.   That was our biggest enemy right then, to take some time off the clock.

13.   The biggest enemy for Democrats in the election, he said, is the good economy that might create complacency among voters.

14.   The biggest enemy now is inertia on the part of the Republican leadership.

15.   The biggest enemy now is cynicism, reflected by months of headlines proclaiming the death of campaign reform.

16.   The combination of warmth and humidity is the biggest enemy.

17.   Those who did conceded fire was their biggest natural enemy.

18.   Time is his biggest enemy.

19.   Time is the biggest enemy of most consumers.

20.   Wind and rain are his biggest enemies.