Just read the text of the Miers withdrawal letter over at Think Progress and started laughing.  It appears she decided to withdraw not because she had little support and little to recommend her to the Court, but because she saw it as her duty to protect the confidentiality and independence of the Executive Branch.  Come on!  It would have been more believable if they'd just gone with the tried and true "wanted to spend more time with the family" theme.  Lame....