The Chamber battles the DISCLOSE Act

Pro-business groups that stand to lose if the campaign finance DISCLOSE Act passes are taking advantage of the opening that social conservatives have created by opposing a compromise to pass the bill that would exempt the NRA and some other big nonprofits from donor disclosure rules. Here's a look at an ad the Chamber of Commerce is going to start running in D.C.

Take note of the language, which warns that "while businesses are silenced, unions and the biggest special interest groups in D.C. are given a pass."