21.   But by contrast with U.S. drug policy, public-health goals have priority, and public-health authorities have substantial influence.

22.   But a critic of traditional drug policies said the survey proved they have not worked.

23.   But even specialists on drug policy disagree over how much influence any president can exert, particularly on a problem that increasingly involves adolescents.

24.   But four weeks ago Leon Lett, who would have been a Pro Bowl defensive tackle, was suspended for a year for violating the NFL drug policy.

25.   But McCaffrey and an aide say no changes in U.S. drug policy are planned.

26.   But the inquiry also caused a reassessment of national drug policy.

27.   But the experts recommended a series of steps to increase government financing for research into drug control policies and for better ways to gather accurate data.

28.   But the main problem here is drug addiction and our failed national drug policies.

29.   But what really saved the NBA was shrewd marketing, a tough drug policy and the good fortune of majestic players and compelling teams.

30.   But with two drug makers seeking to make their cholesterol-fighting pills available without a prescription, the Food and Drug Administration began reexamining its over-the-counter drug policy.