MASSACHUSETTS NEWS: UMass/Herald poll: Brown pulling ahead of Warren. “There also is some troubling news for the well-financed Warren campaign. Despite spending millions of dollars to tarnish Brown’s image, the GOP incumbent’s popularity has actually increased in the last nine months. Brown is now viewed favorably by 57 percent of registered voters, up nine points from a UMass Lowell/Boston Herald poll conducted in Dec. 2011. Brown’s unfavorable rating actually has dropped six points to 29 percent. He is also drawing 22 percent of voters who say they will vote for President Obama.”