Alan Keyes' one-word cure-all for America's problems probably sounds a lot like your grandmother's: marriage. On a recent summer morning in Oxnard, California, while towheaded children scampered in the sun, a grim-faced Keyes lectured their parents. "The No. 1 challenge of our life as a people," he railed from the podium, "is restoring the principle of the two-parent, marriage-based family." The moms and dads in the audience applauded. "And how do you get people to marry?" he asked, a grandfatherly smile creeping across his face. "Nagging has a lot to do with it."
By his own reckoning, Alan Keyes, the first-ever...