Jonathan Backer* The Supreme Court’s 2010 decision in Citizens United v. FEC invalidated a longstanding restriction on corporate and union campaign spending in federal elections, freeing entities with diverse political goals to spend unlimited amounts supporting candidates for federal office. Houses of worship and other religious nonprofits, however, remain strictly prohibited from engaging in partisan political activity as a condition of tax-exempt status under Internal Revenue Code § 501(c)(3). Absent this “electioneering prohibition,”