Heroes and Cowards demonstrates the role that social capital plays in people's decisions. The makeup of various companies--whether soldiers were of the same ethnicity, age, and occupation--influenced whether soldiers remained loyal or whether they deserted. Costa and Kahn discuss how the...

"Pierre Epstein takes readers behind the scenes of Roosevelt's New Deal legislation to tell how his father, Abe Epstein, an immigrant Russian Jew and author of "Insecurity: A Challenge to America," followed his vision of reform and made significant contributions to the legislation that...