Secret Persuasion: How Big Campaign Donors Stay Anonymous

In this panoramic composite image, NPR's Peter Overby and Viveca Novak of the Center for Responsive Politics stand in front of a whiteboard at NPR headquarters that they used to map out connections between social welfare groups.
In this panoramic composite image, NPR's Peter Overby and Viveca Novak of the Center for Responsive Politics stand in front of a whiteboard at NPR headquarters that they used to map out connections between social welfare groups.