'Super' PACs Set to Disclose Big Donors

Associated Press + More

But some GOP-leaning groups say their ads contribute to a marketplace of ideas and counterbalance the huge sums of cash that Obama and the Democratic National Committee plan to spend on the president's re-election bid.

By law, presidential campaigns can raise, at most, $5,000 total from an individual donor.

But super PACs can solicit and spend unlimited money — and some employ affiliated groups, known as 501(c)4 organizations, whose donors are allowed to remain anonymous. Watchdog groups like Democracy 21 have complained to federal regulators on that front, asking the IRS to limit how much those nonprofit groups can spend on political advocacy.

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