You're right, but in fact the judge can put their finger on one side of the scales. I was in voir dire for an obvious drug prosecution and before selection bega

You're right, but in fact the judge can put their finger on one side of the scales. I was in voir dire for an obvious drug prosecution and before selection began, the judge eliminated anyone who thought the laws should be changed. That was in the late 90s in a (US) federal court.