You don't have to be a candidate to be the target of an attack ad.

How much light will the new IRS rules shed on political dark money?

Today the Supreme Court hears arguments in a campaign finance case you could call the sequel to the landmark campaign finance case Citizens United.

Tonight, President Obama speaks to the non-profit group, Organizing, for America, which some have described as the president's never-ending campaign. Where is the money behind the organization coming from?

On Tuesday, the court announced it will take up a case challenging limits on how much individuals can contribute directly to candidates or political parties within an two-year election cycle.

The Supreme Court's Citizens United ruling, allowing unlimited campaign spending by corporations and unions, is three years old. New York is taking the lead in trying to make donors more transparent.

A primer on the Supreme Court case that changed the way money could be spent in elections.

About six months ago, we started a new project, a special collaboration with Frontline on PBS, to break through the noise around one key issue: the fallout from the Supreme Court's decision on Citizens United.