Quick stats on Americans for Prosperity, supporting conservatives

Quick stats on the nonprofit group, supporting conservatives

Obama's 'failing agenda' subject of new negative ad blast from big outside-spending nonprofit.

Billionaire-backed nonprofits press defense of coal industry with ads knocking president's policies.

Billionaire Koch brothers continue to shower free-market causes with tax-exempt gifts.

Americans for Prosperity slams the president's nonprofit in a new ad, yet the group doesn't plan on revealing its funders.

Corporations and conservative foundations are top sponsors of judicial junkets.