The president of the United States has completed another outing abroad in his now standard form: as the un-Bush. At one stop after another -- the latest in Latin America, where Hugo Chávez expressed wishes to be his friend -- Barack Obama fulfilled his campaign vows to show the nations of the world that a new American leadership stood ready to atone for the transgressions of the old. All went as expected in these travels, not counting certain unforeseen results of that triumphal European tour. The images of that trip, in which Mr. Obama dazzled ecstatic Europeans with citations of...