As an additional info related to Miguel estrada debate, Alberto Gonzalez this afternoon has sent the White House response too recent demands from Dasshole and Leahy. You can read the whole letter here (thanks to Howard Bashmans blog):
http://pda-appellateblog.blogspot.com/2003_02_01_pda-appellateblog_archive.html#90315485
Main message of this answer is such that there are no historical precedents for releasing internal SG office memos, that Dems are misleading public opinion in claiming that there were such precedents and that Estradas memos are not going to be released.