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.
- Check out political cartoons about the 2012 GOP primary field.
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