How Will the Supreme Court’s ‘Citizens United’ Ruling Affect U.S. Politics? (Read more about the case here.) How will the Supreme Court’s ‘Citizens United’ ruling affect U.S. politics? A great deal. Corporations and unions will dominate campaigns and discourseSomewhat. It will be a new tool for organizations already politically activeA little. Corporations in particular will be reluctant to publicly support specific politiciansNot at all. Politics as usual.Other. (Leave thoughts in this blog item’s comments section.)