Foster Friess introduces Rick Santorum at the 2012 CPAC Conference in Washington, D.C., on Feb. 10 wearing a sweater vest embroidered with the candidate's name. Ron Sachs/CNP DPA/Landov hide caption

toggle caption Ron Sachs/CNP DPA/Landov

A Wyoming Millionaire Places His Faith In Santorum

  • Download
  • <iframe src="https://www.npr.org/player/embed/149710104/149745124" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Koch Brothers Move To Control Cato Institute

  • Download
  • <iframe src="https://www.npr.org/player/embed/149443423/149443490" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Romney, SuperPAC Outspend Rivals Combined

  • Download
  • <iframe src="https://www.npr.org/player/embed/149039615/149048224" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Sheldon Adelson speaks at the 2008 "Facing Tomorrow" Presidential Conference in Jerusalem. David Silverman/Getty Images hide caption

toggle caption David Silverman/Getty Images

For A Personal Cause, Casino Owner Bets On Gingrich

  • Download
  • <iframe src="https://www.npr.org/player/embed/148939665/148974909" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

The superPAC Campaign for Primary Accountability is taking aim at Alabama Republican Rep. Spencer Bachus and other congressional incumbents. YouTube hide caption

toggle caption YouTube

Low-Profile SuperPAC Targets Powerful Incumbents

  • Download
  • <iframe src="https://www.npr.org/player/embed/148476447/148499285" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Republican presidential candidate Mitt Romney campaigns at a town hall meeting in Bexley, Ohio, last month. Romney won Ohio by less than 1 percent in Tuesday's primary. Gerald Herbert/AP hide caption

toggle caption Gerald Herbert/AP

Pro-Romney SuperPAC Spent Big On Super Tuesday

  • Download
  • <iframe src="https://www.npr.org/player/embed/148137446/148170675" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Republican presidential candidate Mitt Romney greets supporters at a town hall meeting at Taylor Winfield in Youngstown, Ohio, on Monday. Gerald Herbert/AP hide caption

toggle caption Gerald Herbert/AP

Romney's Wins Have Come With Negative Messages

  • Download
  • <iframe src="https://www.npr.org/player/embed/148006655/148022193" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Shareholders Want Political Spending Transparency

  • Download
  • <iframe src="https://www.npr.org/player/embed/147548228/147553683" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Republican presidential candidate Mitt Romney speaks at a town hall meeting at Eagle Manufacturing Corp. in Shelby Township, Mich., on Tuesday. Gerald Herbert/AP hide caption

toggle caption Gerald Herbert/AP

Who Bankrolls Romney? Big Donors, Not Small Ones

  • Download
  • <iframe src="https://www.npr.org/player/embed/147217246/147225360" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Romney Benefits From Campaign, SuperPAC Funds

  • Download
  • <iframe src="https://www.npr.org/player/embed/147176912/147180148" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Bill Burton, shown during a news briefing at the White House in January, is now with pro-Obama superPAC Priorities USA Action. He says the superPAC is "careful to make sure that we are in compliance with the rules." J. Scott Applewhite/AP hide caption

toggle caption J. Scott Applewhite/AP

White House And SuperPAC: How Close Is Too Close?

  • Download
  • <iframe src="https://www.npr.org/player/embed/147010524/147028284" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Powerful GOP-Linked SuperPAC Has Clear Agenda

  • Download
  • <iframe src="https://www.npr.org/player/embed/146613016/146622689" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Obama Changes Tone On SuperPACS, Endorses Own

  • Download
  • <iframe src="https://www.npr.org/player/embed/146550048/146539143" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">