quote, sufficient but not greater than necessary. to promote the purposes of punishment. >> reporter: those guidelines she says are out of date as they suggest tougher sentences based on the number of photographs received in the mail. >> and that made total sense before when we didn't have the internet. when we didn't have distribution. but the way that the guideline is now structured based on that set of circumstances is leading to extreme disparities in the system. >> reporter: today was the first chance lawmakers had to question jackson with a big focus on her previous representation of guantanamo bay detainees. >> federal public defenders don't get to pick their clients. they have to represent whoever comes in, and it's a service. >> why in the world would you call secretary of defense rumsfeld and george w. bush war criminals in a legal filing? >> well, senator, i don't