Of course, they don;t NECESSARILY do so.  But, AS I STATED, they remove MOST of the judges' and prosecutors' opportunity to let race infect the sentencing decision.  Where is the error in what I said?  Why would a racist prosecutor favor the guidelines?  Wouldn't a fair-minded prosecutor prefer the guidelines, even if they aren't perfect, as a way to reduce whatever racist exists in sentencing?  Do you even know what the hell you're talking about?