Professors Peter Feaver, Christopher Gelpi, and Jason Reifler's theory of the determinants of public support for war has received a great deal of attention among academics, journalists, and policymakers. They argue that support for war hinges on initial support for military action and the belief...

How can we best gauge the political opinions of the citizenry? Since their emergence in the 1930s, opinion polls—or surveys—have become the dominant way to assess the public will. But even given the long history of polling, there is no agreement among political scientists on how to best...