
    No. 538.
    Gregory et al. v. Louisville & Nashville Railroad Co. et al.
    
      Solicitor General Perlman for petitioners. C. S. Landrum and H. T. Lively for the Louisville & Nashville Railroad Co.; and Robert E. Hogan, Clarence M. Mulholland, Edward J. Hickey, Jr. and Richard R. Lyman for System Federation No. 91, Railway Employes’ Department of A. F. of L., et al., respondents.
   C. A. 6th Cir. Certiorari denied.  