
    (No. 6647
    County of Cook and Cook County Department of Public Aid, Claimant, vs. State of Illinois, Department of Public Aid, Respondent.
    
      Opinion filed June 13, 1972.
    
    Edward V. Hanrahan, State’s Attorney for Cook County, for Claimant.
    William J. Scott, Attorney General; Saul R. Wexler, Assistant Attorney General, for Respondent.
   Perlin, C.J.  