C. A. 2d Cir. Motion of petitioner for leave to proceed in forma pauperis granted. Certiorari granted limited to the following question: “Whether 28 U. S. C. § 636(b)(1)(B), which authorizes a district court to refer, without the parties’ consent, to a magistrate for recommended findings a prisoner petition that challenges ‘conditions of confinement’ applies to cases challenging a specific episode of allegedly unconstitutional conduct rather than continuing prison conditions.”