Massachusetts State Sen. Scott Brown, R-Wrentham, celebrates in Boston, Tuesday, Jan. 19, 2010, with wife Gail, center, and daughter Ayla, and niece Maeve Brown, right, after winning a special election held to fill the U.S. Senate seat …

U.S. Sen.-elect Scott Brown, R-Mass., addresses reporters during a news conference at the Park Plaza hotel in Boston, Wednesday, Jan. 20, 2010.

Supporters of Massachusetts State Sen. Scott Brown, R-Wrentham, react to Brown's U.S. Senate special-election victory in Boston, Tuesday, Jan. 19, 2010. Brown beat Attorney General Martha Coakley, a Democrat, and Joseph L. Kennedy, a …

Democrat candidate, Massachusetts Attorney General Martha Coakley concedes after losing a special election in Boston, Tuesday, Jan. 19, 2010, held to fill the U.S. Senate seat left vacant by the death of Sen. Edward Kennedy. Massachusetts …

Democrat candidate Massachusetts Attorney General Martha Coakley concedes after losing a special election held to fill the U.S. Senate seat left vacant by the death of Sen. Edward Kennedy, Tuesday, Jan. 19, 2010, in Boston. Massachusetts …

U.S. Senator John Kerry, D-Mass., center, reacts as Democrat candidate, Massachusetts Attorney General Martha Coakley, right, concedes after losing a special election in Boston, Tuesday, Jan. 19, 2010, held to fill the U.S. Senate seat …

Maura Pensak, of Cambridge, Mass., right, a supporter of Mass. Attorney General Martha Coakley, a Democrat, reacts as Coakley concedes defeat in a U.S. Senate special-election, in Boston, Tuesday, Jan. 19, 2010. Mass. State. Sen. Scott …

Massachusetts State Sen. Scott Brown, R-Wrentham, watches election night returns with family and supporters in his room at election-night headquarters in Boston, Tuesday, Jan. 19, 2010.

Jacob Porter, front, of Bucks County, Penn., and other supporters of Massachusetts State Sen. Scott Brown, R-Wrentham, react to Brown's U.S. Senate special election victory for the U.S. Senate seat left vacant by the death of Sen. Edward …

Massachusetts State Sen. Scott Brown, R-Wrentham, holds up a copy of the Boston Herald as he celebrates in Boston, Tuesday, Jan. 19, 2010, after winning a special election held to fill the U.S. Senate seat left vacant by the death of Sen. …

Supporters of Massachusetts State Sen. Scott Brown, R-Wrentham, Barbara Ann O'Neill, left, of Wrentham, Mass., and Jacob Porter, right, of Bucks County, Penn., wave flags before results are announced at Brown's election night headquarters …

Supporters of Democrat Martha Coakley rally at Boston City Hall Plaza. Coakley, Republican Scott Brown and Independent Joseph L. Kennedy are all vying to replace the late Sen. Ted Kennedy in the U.S. Senate. (Photo By: Shawn O'Domski)

Massachusetts residents cast their votes in a special election to fill the U.S. Senate seat left vacant by the death of Sen. Edward Kennedy, in Seekonk, Mass. Tuesday, Jan. 19, 2010. Democrat candidate, Massachusetts Attorney General …

A stack of ballots awaits Massachusetts voters in a special election to fill the U.S. Senate seat left vacant by the death of Sen. Edward Kennedy, in Seekonk, Mass. Tuesday, Jan. 19, 2010.

Don Anderson, a supporter of Massachusetts State Sen. Scott Brown, R-Wrentham, waves to drivers passing below on the Massachusetts Turnpike in Newton, Mass., Tuesday, Jan. 19, 2010. Brown is on the ballot of a special election held to fill…

Democratic candidate, Massachusetts Attorney General Martha Coakley, right, receives an unmarked ballot as her husband Thomas F. O'Connor, Jr. looks on at a polling station where they cast their votes in the special election to replace …

Democratic candidate, Massachusetts Attorney General Martha Coakley, left, and her husband Thomas F. O'Connor, Jr. wave to supporters outside the polling station where they cast their votes in the special election to replace former Sen. …

Democrat Martha Coakley did some last-minute campaigning at Al Mac's Diner in Fall River the morning of the special Senate election in Massachusetts. (Photo By: Scott Del Sole/WPRI)

Democratic candidate, Massachusetts Attorney General Martha Coakley, left, greets supporters outside the polling station where she cast her ballot in the special election to replace former Sen. Edward Kennedy, D-Mass., Tuesday, Jan. 19, …

Massachusetts State Sen. Scott Brown, R-Wrentham, waves to supporters after voting Tuesday, Jan. 19, 2010. Brown is running against Democrat Attorney General Martha Coakley in a special election to fill the U.S. Senate seat left empty by …

Matt Paturzo, a supporter of Massachusetts State Senator Scott Brown, R-Wrentham, rides a high-wheeler in Wrentham, Mass., Tuesday, Jan. 19, 2010. Brown is running against Democrat Martha Coakley in a special election to fill the U.S. …

James Ostendorf, a pollster, waits to check in Massachusetts voters in a special election to fill the U.S. Senate seat left vacant by the death of Sen. Edward Kennedy, in Seekonk, Mass. Tuesday, Jan. 19, 2010. Democrat candidate, …

Former Boston Red Sox pitcher Curt Schilling shows his support for Massachusetts State Senator Scott Brown, R-Wrentham, at a rally in Worcester, Mass., Sunday, Jan. 17, 2010. Brown is running against Democrat Martha Coakley and Joseph …

Actor John Ratzenberger, who played Cliff Clavin on the TV show "Cheers," speaks in support for Massachusetts State Senator Scott Brown, R-Wrentham, at a rally in Worcester, Mass., Sunday, Jan. 17, 2010.

Supporters of Massachusetts State Senator Scott Brown, R-Wrentham, hold a sign at a rally in Worcester, Mass., Sunday, Jan. 17, 2010. Brown is running against Democrat Martha Coakley and Joseph Kennedy, a Libertarian who is running as an …

Candidates for the U.S. Senate seat left empty by the death of Sen. Edward M. Kennedy, D-Mass., Republican Scott Brown left, and Democrat Martha Coakley, right, make last minute preparations before a debate. (AP Photo/Steven Senne)

Sen. John Kerry was stumping for Martha Coakley in New Bedford Monday on the eve before Tuesday's special Senate election. (Photo By: David Wiggins)

Supporters of Martha Coakley campaigned for the Democrat Monday morning at New Bedford City Hall. Coakley is in a heated race with state Sen. Scott Brown for the U.S. Senate seat formerly held by the late Sen. Ted Kennedy. (Photo By: …

Massachusetts State Senator Scott Brown, R-Wrentham, greets attendees at the Martin Luther King, Jr. Memorial Breakfast, Monday, Jan. 18, 2010, at the Hynes Convention Center in Boston.