Tomorrow ends the comment period for a proposed IRS rule that would change the way groups from the Sierra Club to the NRA advocate on behalf of their members. By defining “candidate‐​related political activity” as the rule has, election time could compel these groups to scrub their websites and Twitter feeds of almost any mention of political candidates.

On March 4, join us for an event exploring the proposed rule. And you can learn more by listening to today’s Cato Daily Podcast with Allen Dickerson, legal director of the Center for Competitive Politics.