Paul Krugman: Modern American conservatism is, in large part, a movement shaped by billionaires and their bank accounts, and assured paychecks for the ideologically loyal are an important part of the system. Scientists willing to deny the existence of man-made climate change, economists willing to declare that tax cuts for the rich are essential to growth, strategic thinkers willing to provide rationales for wars of choice, lawyers willing to provide defenses of torture, all can count on support from a network of organizations that may seem independent on the surface but are largely financed by a handful of ultrawealthy families. And these organizations have long provided havens for conservative political figures not currently in office.