I like this graph.  Especially the dropoff among independents.

Additional info from The Left Coaster:

A new Pew Center poll out this afternoon shows that Bush’s approval rating has fallen to a new low of 36%, and he’s losing the support of moderate and liberal Republicans, and is seeing a steep decline in support amongst independents. The poll also shows that a higher number of Americans think the Scooter Libby indictment is important to the nation than Clinton’s impeachment was. And 6 in 10 do not feel that the media is giving too much coverage to the story.

But here’s the kicker in this poll: for the first time ever, more respondents felt the Administration lied about Iraq’s WMDs (43%) than those who feel the Administration was misinformed by bad intelligence (41%).