Washington, D.C., Mayor Muriel Bowser last month. Larry French/Getty Images hide caption

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Demonstrators march in the snow outside the White House during a rally against the Supreme Court's decision five years ago in favor of Citizens United, which allows private citizens and corporations to make unlimited donations for political campaigns. Nicholas Kamm/AFP/Getty Images hide caption

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Harvard Law professor Lawrence Lessig lists Facebook's Sheryl Sandberg and former Daily Show host Jon Stewart as possible running mates among those from whom visitors to his website can choose. Fadi Alassaad/Reuters/Landov hide caption

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Republican political operative Tyler Harber admitted in federal court to illegally coordinating between a campaign and superPAC. He was sentenced to two years in prison and two years' probation. Neil Conway/flickr Creative Common hide caption

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Former Florida Gov. Jeb Bush poses with supporters for photos during a fundraiser in May. Alan Diaz/AP hide caption

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A quick staff-up and a fast-paced money grab are common to both startups and campaigns. Here, staffers work at computers during a tour of President Obama's re-election headquarters in Chicago on May 12, 2010. Frank Polich/Getty Images hide caption

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David Barrows, of Washington, D.C., waves a flag with corporate logos and fake money during a rally against money in politics outside the Supreme Court in 2013. Chip Somodevilla/Getty Images hide caption

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Former Florida Gov. Jeb Bush is one of four "un-candidates" being targeted by liberal groups Campaign Legal Center and Democracy 21. They say the politicians have crossed the line into candidacy based on their activities in recent months. Scott Olson/Getty Images hide caption

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