'Dark money' surpassed $1B in 2020, mostly boosting Democrats

Critics of dark money, which obscures the source of the funds, argue that voters should know who's funding political advertisements and campaigns. The Campaign Legal Center, a nonpartisan group, has called it a "serious threat to our democracy,” and Issue One, another nonpartisan group that aims to reduce the influence of money in politics, has called it "the most toxic force in politics."

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