In the Matter of Peter D. Meringolo, on Behalf of the Members of the Correction Captains Association, et al., Respondents, v. Michael P. Jacobson, as Commissioner of the New York City Department of Correction, et al., Appellants. Norman Seabrook, as President of the Corrections Officers Benevolent Association, et al., Proposed Intervenors-Appellants. (And Another Action.)