By the time Election Day arrives, congressional candidates and their outside benefactors will have spent a record $2.3 billion, perhaps hundreds of millions more, to influence the outcome of Tuesday’s vote, underscoring the high stakes in the hyperpartisan battle for the US Senate and House of Representatives. The flurry of money is mostly from deep-pocketed super PACs and special interest groups that are spending with abandon on down-to-the-wire contests in key election battlegrounds.
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