
    No. 79-880.
    No. 79-881.
    No. 79-882.
    No. 79-883.
    No. 79-1120.
    Kissinger et al. v. Halperin et al., Mitchell v. Zweibon et al., Nixon et al. v. Smith et al., Zweibon et al. v. Mitchell, Mitchell et al. v. Forsyth et al.,
   452 U. S. 713;.

ante, p. 912;

ante, p. 912;

ante, p. 912; and

ante, p. 913. Petitions for rehearing denied.

Justice Rehnquist took no part in the consideration or decision of these petitions.  