In his first 100 days in office, President Barack Obama completedtwo whirlwind tours of Europe and Latin America. His message on both continents was simple: America has made many mistakes in thepast, but we're ready now to listen to others and be more flexible.It was a hugely popular message that brought him thunderousapplause, particularly when he criticized or apologized forAmerica-to an extent that no other sitting American President haddone before on foreign soil.