Simplify the following text for a Grade 9 native English-speaking person.
Original: In most if not all cases , jury nullification will not be a valid factor in analyzing trial fairness for the accused . Guarding against jury nullification is a desirable and legitimate exercise for a trial judge ; in fact a judge is required to take steps to ensure that the jury will apply the law properly . ''
Simplified: Jury nullification gives jury the power to `` judge '' the laws that Congress has written .