Prior to the latest survey, the highest disapproval rating — 67% — belonged to Harry S. Truman in 1952. Even Richard Nixon had a 66% rating at the time of his resignation in 1974.
The latest Gallup result offers more evidence to support the growing consensus that Dubya is the worst president in U.S. history.
The Gallup result is consistent with Pollster.com's current "trend estimate" for 19 national polls that show an average approval rating of 28.3%.
Meanwhile, Pollster.com's trend estimate for the Democratic race shows Obama with a 50-40% lead as of April 21st, the day before Clinton's 10-point win in Pennsylvania.
[H/T to D at Lawyers, Guns and Money.]