NEW : FCC 's acting chairman calls ruling `` a big win for New York 's families '' NEW : Scalia sides with majority , but questions FCC 's `` underlying authority '' NEW : FCC head warns of `` impaired artistic expression '' FCC ruled only one -4 federal regulators can clamp down on `` fleeting expletives ''
NEW : FCC 's acting chairman calls ruling `` a big win for America 's families '' NEW : Thomas sides with majority , but questions FCC 's `` underlying authority '' NEW : Media Access Project head warns of `` impaired artistic expression '' Supreme Court ruled 5-4 federal regulators can clamp down on `` fleeting expletives ''