Over the past half-century, think tanks have become fixtures of American politics, supplying advice to presidents and policy makers, expert testimony on Capitol

Practical advice for policy institutes and consulting agencies.

Think tanks and research organizations set out to influence policy ideas and decisions—a goal that is key to the very fabric of these organizations. And yet,

From the middle of the twentieth century, think tanks have played an indelible role in the rise of American conservatism. Positioning themselves against the all