Republican senator Scott Brown of Massachusetts has a narrow lead over his Democratic opponent, Harvard law professor Elizabeth Warren. A new poll from the Boston Globe shows Brown with 45 percent support from likely voters while Warren has 43 percent support. This is the first poll in three weeks to show Brown with a lead, and according to Real Clear Politics, Warren maintains a significant lead.

Brown has improved in the Globe poll since last month, when he trailed Warren by five points.

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