Super PAC spending didn't always lead to success, and the millionaire and billionaire donors aren't happy to simply cut their losses.

It's unclear whether PACs pushed any candidate to victory. But they did raise the price tag of the election for everyone.

Take a look at the five most expensive races this election cycle, and see if the PACs and party committees got what they paid for.

In these last few days, super PAC ads are dominating the airwaves in swing states and one Montana PAC may be in trouble for coordinating with candidates.

A roundup of the week that was in political dark money, including a look at where attacks ads are most concentrated and tallies of the exponential increase in spending since Citizens United.

Kathleen Hall Jamieson and Marty Kaplan join Bill to assess the true value of the 2012 political debates, and weigh in on campaign communication tactics in the home stretch.

Web Exclusive: Kathleen Hall Jamieson and Marty Kaplan assess how presidential debates and campaign ads serve the public interest.

With your help, we ask the questions that have gone unasked, and answer them with the candidates’ own past statements.

More than 1,000 people spell out "Dump Citizens United" with their bodies on a San Francisco beach, and other stories, in this week's roundup from Mother Jones

From Mother Jones, the week that was in the world of political dark money, including Karl Rove's American Crossroads and liberal super PACs in the Massachusetts congressional race.