
    No. 00-1946.
    Insituform Technologies, Inc., et al. v. CAT Contracting, Inc., et al.
   C. A. Fed. Cir. Certiorari granted, judgment vacated, and case remanded for further consideration in light of Festo Corp. v. Shoketsu Kinzoku Kogyo Kabushiki Co., ante, p. 722.  