21.   But it was a vivid reminder of just how dependent the economy has become on the efficient transportation of goods and parts that arrive just in time for assembly.

22.   But in those circumstances, there might be no more habitat, and those animals will become passengers on an ark they cannot exit.

23.   But on Thursday he became a pawn in a trade war over them between the United States and Europe.

24.   But the couple are not what they seem and a year later Rachel and Lloyd are forced into a cross-country jaunt on which he becomes his old monstrous self.

25.   But what was striking to me is how reliant computer worms have become on male hormones.

26.   But when it became a hit on the festival circuit, Sony Classics acquired it for U.S. distribution.

27.   But there is more to Bates than the madman he becomes on Sundays.

28.   But when Rodman became unbalanced on the court in the playoffs, there was concern and criticism.

29.   Channel A, which becomes available on the Net in Beta form Tuesday, plans a full-bore launch in February.

30.   California gave the nation a car culture and Ronald Reagan, and now the two are destined to become one on the back of automobiles.