WI Club for Growth, Target of Walker Recall Probe, at Center of Dark Money Web
"Governor Scott Walker's campaign and dozens of Republican-aligned political groups have been subpoenaed in a wide-ranging probe into potential campaign finance violations during Wisconsin's contentious 2011 and 2012 recall elections, and a group at the center of the storm appears to be Wisconsin Club for Growth, one of the top spenders during the recalls and whose leaders have close ties to Governor Walker and national donors, including the Koch brothers."