The day after US president Barack Obama addressed the nation on the BP oil disaster in the Gulf, his approval ratings fell to a new low:

The Rasmussen Reports daily Presidential Tracking Poll for Wednesday shows that 24% of the nation’s voters Strongly Approve of the way that Barack Obama is performing his role as president. Forty-four percent (44%) Strongly Disapprove, giving Obama a Presidential Approval Index rating of -20…

Overall, 42% of voters say they at least somewhat approve of the president’s performance. That’s the lowest level of approval yet recorded for this president. Fifty-seven percent (57%) now disapprove. Those are the lowest ratings yet recorded for this president. Read more…

Could these numbers foreshadow the swiftest public fall from grace of any sitting U.S. president in history?