John Carr, who now heads the Initiative on Catholic Social Thought and Public Life at Georgetown University, thinks both parties are now essentially defined by their commitment to economic or lifestyle libertarianism. "These libertarian tendencies are reinforced by large campaign contributors and powerful interest groups on the left and right (e.g., Emily's List and the Koch Brothers, Planned Parenthood and the Club for Growth). Who died and left Arianna Huffington and Grover Norquist in charge? Is there any room left for compassionate conservatives and pro-life Democrats?"