QUINCY, Ill. — The Illinois Supreme Court has declined to order a western Illinois judge to impose a sentence in a sexual assault case after he threw out the conviction at the sentencing hearing.The court ruled Wednesday that “the double jeopardy clause prohibits further prosecution even where an acquittal is ‘based upon an egregiously erroneous foundation.’ ”The Illinois Attorney General’s office filed motions with the court last month seeking to direct Adams County Judge Robert Adrian …