ALBANY REDUCES NYNIST'S POWER
NYS Sen and Assembly overwhelmingly pass measure allowing ct challenges of decisions of State Educ Comr Ewald B Nyquist; behind bill, which allows ct rev of decisions considered 'arbitrary, capricious, an abuse of discretion or based on erroneous determination of fact,' is controversial issue of busing and school desegregation orders in state; bill, sponsored in Sen John D Caemmerer and Assemblyman Vincent F Nicolosi, passes with little or no debate to indicate emotional or racial overtones involved (M)