Zogby writes a CYA Memo.
http://www.realclearpolitics.com/Presidential_04/bush_ja.html
Zog is the only pollster who uses the excellent/good/fair/poor methodology to determine approval ratings. Just about all other major polls have Bush's JA above 50% by a few points.
RealClearPolitics Poll Average
President George W. Bush Job Approval Ratings
Poll Date Approve Disapprove Spread
RCP Average 9/20 - 9/28 51.9% 45.5% +6.4%
Rasmussen 9/26 - 9/28 54% 46% +8%
LA Times 9/25 - 9/28 52% 47% +5%
CNN/USA Today/Gallup 9/24 - 9/26 54% 44% +10%
ABC News/WP (RV) 9/23 - 9/26 52% 46% +6%
Time 9/21 - 9/23 53% 43% +10%
Fox News 9/21 - 9/22 50% 45% +5%
GW-Battleground 9/20 - 9/23 53% 45% +8%
Marist 9/20 - 9/22 49% 49% EVEN
AP/Ipsos 9/20 - 9/22 54% 46% +8%
CBS News 9/20 - 9/22 48% 44% +4%
Well, we know who the outliar is.