*803C. A. 5th Cir.;
C. A. 5th Cir.;
C. A. 7th Cir.;
*804No. 88-2062. No. 88-2109. No. 88-2117. No. 89-46. No. 89-56. No. 89-79. No. 89-101.C. A. 6th Cir.;
C. A. 10th Cir.;
C. A. 5th Cir.;
C. A. 1st Cir.;
C. A. 6th Cir.;
C. A. 6th Cir.; and
C. A. 6th Cir. The Solicitor General is invited to file briefs in these cases expressing the views of the United States.