Following several years of tension between Europe and the United States, policymakers on both sides of the Atlantic have rediscovered pragmatism. Apparently irreconcilable differences of values are giving way to new forms of practical cooperation. However, the new transatlantic relationship differs from the old one in some very important ways. New issues that involve access ...

THREE DECADES ago, a German history professor listed 210 proposed explanations for the fall of the Roman Empire. The remarkable array included such fanciful causes as Bolshevism, public baths, hedonism, the pressure of terrorism and, most famously, lead poisoning. The last explanation has been discredited. It is highly unlikely that lead water pipes caused the ...