As spending by outside groups financed by anonymous donors has escalated in election campaigns, some Republican lawmakers are rethinking opposition to legislation requiring organizations that run political advertisements to identify who’s paying for them.
“I saw really for the first time how funding directed in a very anonymous way can so significantly influence an election,” said Senator Lisa Murkowski of Alaska, re-elected in 2010 as a write-in after losing the Republican primary to a Tea Party-backed opponent.
