This article explains the rationale for study of the governance challenges of corporate political activity. The topic is important, especially in light of the U.S. Supreme Court’s 2010 Citizens United decision, but understudied to date. The authors review the literature bearing on this topic. The authors separate consideration of the topic into macro-level and micro-level issues. The macro level concerns the societal perspective. At this level, key research questions concern whether corporate political activity be allowed, and how it should be regulated. The micro level covers managerial and shareholder control over corporate political activity. At this level, key research questions include concern whether the firm should practice political activity and how to regulate practice through professional self-regulation, ethical guidelines, and corporate governance systems control. The remainder of this article contains focused summaries of the articles selected for this Special Issue. Each article is introduced and evaluated against the key research questions at the macro or micro levels of analysis.