Headline: Marco Rubio And Rand Paul Pose Greatest Threat To Hillary ClintonPublication Date: Monday, June 1, 2015Primary Source: The FederalistType: op-edFormat: Newspaper (Online)Nature of Mention: authoredScholar: Ekins, EmilyResearch Area: Government and PoliticsSubjects: Senators Rand Paul and Marco Rubio as challengers to Hillary ClintonAttached Files: Ekins-Federalist_0.pdf