President Obama made his first address to the U.N. General Assembly today. He had them at hello. Even his opening -- "It is my honor to address you as the 44th president of the United States" -- got a round of applause. The reason? The latest Pew Global Attitudes Survey of 21 countries found global confidence in Obama’s leadership on foreign affairs at 71% -- far higher than approval ratings at home (in the low 50% range) and even more striking matched against world opinion of George W. Bush last year, which Pew tracked at 17%. To Nile Gardiner of...