Earlier quoted context omitted.
Not the OP, but it is interesting that the US criminal law is so state dependent. Out of curiosity: do you have reason to believe that the sentencing disparity is better when considering states?
I have reason to believe that the sentencing disparity is like the gender pay gap: easy to prove, if that helps your political goals, and also easy to disprove, if that suits you better. Statistics is hard, and the entire reason there's leeway in sentencing is to account for situations which are resistant to statistical regularity. There is, or was, a pretty obvious source of disparity in US law: freebase cocaine was…
https://www.businessinsider.com/racist-origins-marijuana-pro...