Opinion Research Corporation for CNN (PDF) (5/24-26, adult Americans):
Do you approve or disapprove of the way Barack Obama is handling his job as president?
Now compare this to his numbers in early April, according to the same polling firm:
That's a net swing of 11 points in the positive direction in a little less than two months. Notably, much of that shift has come from independents and Republicans. Here's the net swing by party:
Interesting that we Dems like him less now than everyone else, though not statistically signifigantly. Doesn't seem to be any policy reason, so maybe it's just because R's are starting to like him that we are changing our minds. For the record, I haven't changed mind.