Super PACs

Groups such as the NRA and Chamber of Commerce must disclose who paid for campaign ads they run this fall. A new report says such groups pumped about $600 million into elections between 2010 and 2016.

Conservative donors and consults trying to take down GOP front-runner Donald Trump vastly accelerated their spending on negative ads over the last two months.

A fundraiser for the pro-Bush superPAC Right to Rise USA blasted the campaign strategy in an NPR interview. Now, he's accused of having an ax to grind against Bush's campaign manager.

It was a point of agreement between Hillary Clinton and Bernie Sanders at their last debate. It's also supported by some Republican contenders. But that doesn't mean it'll happen easily.

Outside groups were expected to propel candidates this year. But in the 2016 Republican primary, they are having little impact on who's up and who's down.

His campaign has vastly outraised and outspent GOP rivals. But to what end?

A group in Washington, D.C., collected money from government contractors to elect allies of the city's mayor, fueling fears of a pay-to-play culture.

"Make America Great Again." It's Donald Trump's campaign slogan, seen on caps his campaign sells to admirers, and it's also the name of an ostensibly independent superPAC. Or it was, until this week.

When former Texas Gov. Rick Perry dropped out of the presidential race, a superPAC supporting him was left with millions of dollars in the bank. So where did it go? And what are the rules?

The ad wars are about to start in earnest. And the best-funded superPAC is about to dominate the airwaves in support of Jeb Bush.