Barrett's numbers have improved slightly, though these remain within the margin of error as well: Now, 41 percent of voters have a favorable opinion of Barrett, compared to 37 percent earlier this month. Forty-six percent of voters have an unfavorable opinion of Walker, unchanged from last month (45 percent).
The poll does contain improved numbers for Democrats in the presidential race. The previous survey showed President Obama running neck-and-neck with Mitt Romney. But Obama has edged in front of Romney in the current poll. He now leads among all voters, 52 percent to 40 percent, up from a 2-point lead earlier this month. Among likely voters in the recall election, Obama leads Romney by 8 points, 51 percent to 43 percent; the two candidates were tied among the universe of likely recall voters earlier this month.
The new Marquette Law School poll was conducted May 23-26, surveying 720 registered voters. The margin of error for the full poll is plus-or-minus 3.7 percentage points. Of those registered voters, 600 said they were "absolutely certain" to vote in the June 5 recall election, slightly fewer who said they were likely to vote in the November general election.