21.   JUSTICE THOMAS delivered the opinion of the Court.

22.   KENNEDY, J., delivered the opinion for a unanimous Court.

23.   KENNEDY, J., delivered the opinion of the Court, in which REHNQUIST, C. J., and STEVENS, GINSBURG, and BREYER, JJ., joined.

24.   JUSTICE BREYER delivered the opinion of the Court.

25.   JUSTICE GINSBURG delivered the opinion of the Court.

26.   JUSTICE KENNEDY delivered the opinion of the Court, except as to Part IIB.

27.   REHNQUIST, C. J., delivered the opinion for a unanimous Court.

28.   SCALIA, J., delivered the opinion for a unanimous Court.

29.   SOUTER, J., delivered the opinion for a unanimous Court.

30.   SOUTER, J., delivered the opinion of the Court, in which REHNQUIST, C. J., and STEVENS, KENNEDY, and GINSBURG, JJ., joined.