Bush administration officials said that they had been unable to get even the most basic diplomatic response from China after their detection of a successful test to destroy a satellite 10 days ago, and that they were uncertain whether China’s top leaders, including President Hu Jintao, were fully aware of the test or the reaction it would engender. In interviews over the past two days, American officials with access to the intelligence on the test said the United States kept mum about it in hopes that China would come forth with an explanation. Full Story