<div><b>DAVID CALLAHAN </b>is cofounder of and senior fellow at the public policy center Demos. Author of six previous books, he writes frequently for the <i>New York Times</i>, the <i>Washington Post, </i>and other publications. He received a Ph.D. in politics from Princeton University and lives in New York City.<br><br><br><br> <br><br><br><br> <br></div>