why do sentences change why do sentences change over time how does sentencing change how is sentence length affected by sentencing guidelines how long does sentencing vary does sentencing change with time? why do sentences change in sentencing why sentences change in length why are sentence lengths variable across time does sentence length change with sentencing guidelines why do sentences change over time why do sentences change why do sentence lengths change why do sentence lengths vary why does sentencing range change do sentencing guidelines change? how do sentences change why does sentencing vary throughout the year when does sentencing change why do sentences change when sentencing guidelines are released?