G-20 Summit in SeoulThe European and Asian powers have had it with being lectured by the U.S.—and President Obama's letter seeking to defuse the tension ahead of Thursday's summit is likely to make things worse, says Zachary Karabell.Updated Jul. 14, 2017 8:47PM ET / Published Nov. 10, 2010 9:02AM ET Ahn Young-joon / AP Photo,Ahn Young-joon