Scott P. Brown

Massachusetts Senate_Reps.jpg

** FILE ** Sen. Scott Brown, Massachusetts Republican, left, shakes hands with his Democratic challenger Elizabeth Warren, right, on the set before their first debate as moderator Jon Keller, center, looks on, Thursday, Sept. 20, 2012, in Boston. (AP Photo/Michael Dwyer)

20120917-212030-pic-883789612.jpg

A Public Policy Poll finds Democrat Elizabeth Warren leading Sen. Scott P. Brown 48 percent to 46 percent for the U.S. Senate seat in Massachusetts held by the Republican. (Associated Press)

20120829-202447-pic-789769260.jpg

Sen. Scott P. Brown, Massachusetts Republican, greets voters in Dedham, Mass.. He is seeking re-election as more of a centrist than a tea party favorite, a status that aided his candidacy last time. (Associated Press)

BROWN_06.jpg

U.S. Sen. Scott P. Brown, Massachusetts Republican, says he is trying to keep taxes low to help businesses grow, while portraying Democratic challenger Elizabeth Warren as a "jobs destroyer" who favors a heavier tax burden. But he has sided with Democrats, too, while in Washington. (Associated Press)

20120617-204510-pic-492568250.jpg

Sen. Scott P. Brown, Massachusetts Republican, runs a triathlon in Ashland, Mass., on Sunday. Mr. Brown is facing Democrat Elizabeth Warren in his bid for re-election. (Associated Press)

20120520-193242-pic-447912284.jpg

**FILE** Former Massachusetts Gov. Mitt Romney (right) introduces and congratulates Sen.-elect Scott P. Brown, Massachusetts Republican, at his Boston victory party on Jan. 19, 2010, after he won the seat vacated by Sen. Edward M. Kennedy. (Associated Press)

20120425-221154-pic-583733408.jpg

Sen. Susan M. Collins, Maine Republican, sponsored the Postal Service bill considered Wednesday with Sens. Joe Lieberman, Connecticut independent, Scott Brown, Massachusetts Republican, and Thomas R. Carper, Delaware Democrat. (Associated Press)

20120416-204043-pic-847039926.jpg

Sen. Scott P. Brown, Massachusetts Republican, is running neck-and-neck in his re-election bid against presumed Democratic opponent Elizabeth Warren, a Harvard professor known as President Obama's top consumer-protection adviser. Mr. Brown is seeking to localize the race after winning his seat two years ago on a national wave of tea party sentiment. (Associated Press)

20120409-224832-pic-799939662.jpg

Sen. Scott P. Brown, Massachusetts Republican, reported far less in campaign contributions than his Democratic challenger, Elizabeth Warren, during the three-month period from January through March. He raised about $3.4 million; the Warren campaign reported taking in $6.9 million. (Associated Press)