Eliza Newlin Carney discusses Citizens United in this column.

Beyond the official briefs filed with the Supreme Court, the case has generated a virtual cottage industry of opinion articles, blog postings, public briefings and even grassroots organizing around the issue of corporations’ role in political campaigns.

Both the Cato Institute and the American Constitution Society will hold press briefings in early September. Public Citizen has launched a “Don’t Get Rolled” campaign that includes a Web site and plans for a public protest on the day of the Sept. 9 argument, to defend the existing restrictions.