U.S. Sen. Scott Brown (R-Wrentham) raised a whopping $1.98 million this quarter, far outpacing his Democratic challengers and bringing his total campaign funds to $9.6 million. Brown, who will need every dime to fend off a national Democratic coup for his seat, more than doubled the fundraising of Democratic challenger Alan Khazei, who raised 920,000 and Newton Mayor Setti Warren, who raised $122,000. “We are encouraged by the strong show of support for Scott Brown’s re-election. People are responding to his pro-jobs message and his leadership in controlling spending and reducing debt,” said John Cook, Senator Brown’s finance director, in...