Citizens United v. Federal Election Commission

Citizens United v. Federal Election Commission, 558 U.S. 310 (2010), is a landmark decision of the United States Supreme Court regarding campaign finance laws, in which the Court held that laws restricting the political spending of corporations and unions are inconsistent with the Free Speech Clause of the First Amendment to the U.S. Constitution. The Supreme Court ruled in favor of Citizens United in a 5-4 decision, with Justice Anthony Kennedy writing the majority opinion and all Republican-appointed justices voting in favor of the Citizens United decision. All Democratic-appointed justices opposed.