....For the Obama administration, it is a time for restraint that is respectful of our own limited knowledge, not only of the workings of the regime Kim Jong Il left behind but of the people of North Korea so evidently in the grip of that regime. President Barack Obama's first response was to quietly contact President Lee Myung-bak of South Korea to reassure him of the U.S. commitment to its longtime ally. By contrast, two of the Republican presidential hopefuls for 2012, Mitt Romney and Rick Perry, jumped in with gratuitous comments. Mr. Romney suggested that the death of the...