21.   But he said that his agency had been restrained from acting by legal challenges from Telmex.

22.   But if the Senate approves a tax haven bill soon, Thomas could be forced to act by election-year politics.

23.   But the DEP has given every indication that it intends to act by the end of the year, Wade said.

24.   But the two drugs act by different biological mechanisms.

25.   Canada acted neighborly by inviting U.S. swimmers to compete in the Canadian Winter National Championships in Calgary, and the U.S. responded by stealing the show.

26.   Charlie also believes his time in jail helped him in acting by teaching him to deal with all kinds of people.

27.   Congress obviously thought that the Secretary could manage that task when it required that she act by regulation.

28.   Congress would also have to act by the deadline, or the government would see its tax revenues vanish.

29.   Deputy Defense Secretary John Hamre said that Cohen will formally review the plan in June, with Clinton scheduled to act by the fall.