11.   But he may have had his most lasting impact as a teacher.

12.   But such a gain would not have the same legislative impact as in the Senate, mainly because filibusters are not allowed in the House.

13.   But the scientists say that the Pathfinder evidence points strongly to small extraterrestrial impacts as having a role.

14.   Dan Madine could improve at quarterback and Lance Shaw could have more impact as a running back.

15.   Early this year, with corporate travel departments reacting to predictions of impending sags in quarterly profits, airlines and hotels alike felt the impact as business travel slowed.

16.   For his part, Gerbner maintains that his methods are justified because to young imaginations, he says, cartoon violence can have as much impact as dramatic violence.

17.   For potential buyers, falling mortgage rates have the same impact as falling housing prices.

18.   Harris, too, wants to make an impact as a receiver.

19.   Hamm was still shaking off the impact as Akers converted the penalty kick.