<prompt> Translate the following text to EnglishMpango ambao haupatani na kanuni zilizokubaliwa za kutenganishwa kwa mamlaka ni msingi usio wa kutosha kudumisha au kuunga mkono kizuizi cha hotuba.  <response>: A scheme so inconsistent with accepted separation-of-powers principles is an insufficient basis to sustain or uphold the restriction on speech. 