
    No. 575. No. 645. No. 646.
    Conner et al. v. Pennsylvania Railroad Co. et al.; Pennsylvania Railroad Co. v. Conner et al.; and Brotherhood of Railroad Trainmen et al. v. Conner et al.
    United States Court of Appeals for the District of Columbia Circuit.
    
      John W. Cragun, Thomas Searing Jackson and Riley A. Gwynn for petitioners in No. 575.
    
      Guy W. Knight, R. N. Clattenburg, Hugh B. Cox and James G. Johnson, Jr. for the Pennsylvania Railroad Co., petitioner in No. 645 and respondent in No. 575.
    
      Carl McFarland and Ken
      
      neth L. Kimble for the Brotherhood of Railroad Trainmen et al., petitioners in No. 646 and respondents in No. 575.
   Certiorari denied.  