
Senate Majority Leader Harry Reid, Nevada Democrat, gestures as he takes a call in his office before the jobs bill cloture vote on Capitol Hill in Washington on Monday, Feb. 22, 2010. A bipartisan jobs bill cleared a GOP filibuster with critical momentum provided by the Senate's newest Republican, Sen. Scott P. Brown of Massachusetts. (AP Photo/Harry Hamburg)

** FILE ** In this Nov. 13, 2012, file photo, Sen. Scott Brown, R-Mass., speaks during a media availability, on Capitol Hill in Washington. Brown, who was defeated in his re-election bid, said Friday, Feb. 1, 2013, that he will not run for the Senate seat vacated by John Kerry, who was named secretary of state. (AP Photo/Alex Brandon, File)

Massachusetts State Sen. Scott Brown, R-Wrentham, campaigns Monday outside the T.D. Garden before a Boston Bruins hockey game in Boston. Brown is running against Democrat Martha Coakley and Joseph Kennedy, a Libertarian who is running as an independent, in a special election to fill the U.S. Senate seat left empty by the death of Sen. Edward M. Kennedy, D-Mass. (Associated Press)

Scott P. Brown said he was encouraged to run in the special election to finish John F. Kerry’s term in the U.S. Senate, but he decided it wasn’t “the best way for me to continue in public service at this time.” (Associated Press)

Scott P. Brown said he was encouraged to run in the special election to finish John F. Kerry’s term in the U.S. Senate, but he decided it wasn’t “the best way for me to continue in public service at this time.” (Associated Press)

** FILE ** In this Nov. 13, 2012, file photo, Sen. Scott Brown, R-Mass., speaks during a media availability, on Capitol Hill in Washington. Brown, who was defeated in his re-election bid, said Friday, Feb. 1, 2013, that he will not run for the Senate seat vacated by John Kerry, who was named secretary of state. (AP Photo/Alex Brandon, File)

** FILE ** In this Nov. 13, 2012, file photo, Sen. Scott Brown, R-Mass., speaks during a media availability, on Capitol Hill in Washington. Brown, who was defeated in his re-election bid, said Friday, Feb. 1, 2013, that he will not run for the Senate seat vacated by John Kerry, who was named secretary of state. (AP Photo/Alex Brandon, File)

** FILE ** In this Nov. 13, 2012, file photo, Sen. Scott Brown, R-Mass., speaks during a media availability, on Capitol Hill in Washington. Brown, who was defeated in his re-election bid, said Friday, Feb. 1, 2013, that he will not run for the Senate seat vacated by John Kerry, who was named secretary of state. (AP Photo/Alex Brandon, File)

Sen. Scott P. Brown leaves town quietly after losing his re-election bid last month in Massachusetts. He delivered a farewell address to the Senate on Wednesday. (Associated Press)