Rasmussen, 5/31: Obama's Unfavorable rating up to 53%. "Very Unfavorable" at 37%

The Rasmussen Reports daily Presidential Tracking Poll for Saturday shows that John McCain attracting 46% of the vote nationwide while Barack Obama earns 43%. This marks the fifth straight day that McCain has enjoyed at least a three-point advantage over Obama (see recent daily results). Occasionally, over the past few months, one candidate or the other has opened what appears to be a modest lead for several days. But, to this point in time, neither has been able to hold a sustained lead. Tracking Poll results are updated daily at 9:30 a.m. Eastern.

Sixty-nine percent (69%) of Americans have heard about Scott McClellan’s new book. A plurality doesn’t know whether the former White House Press Secretary is telling the truth.

McCain is viewed favorably by 52% of voters nationwide and unfavorably by 46%. Those figures include 19% with a Very Favorable opinion of the Republican hopeful and 23% with a Very Unfavorable opinion.

Obama’s numbers are 45% favorable and 53% unfavorable (see recent daily ratings). Those figures represent Obama’s lowest ratings of the year. His favorability ratings peaked at 56% in mid-February. Twenty-five percent (25%) have a Very Favorable opinion of Obama while 37% have a Very Unfavorable view.