Michelle Obama will look to dispel growing mistrust between the United States and China through a weeklong tour of the Asian power focused deliberately on soft issues, officials said Monday. Accompanied by her two daughters and mother, the US first lady will head Wednesday on a tour to some of China's most celebrated sites including the Great Wall, the ancient terracotta warrior sculptures of Xian and a panda preserve. White House officials said that Michelle Obama would not take up the myriad disputes between the two nations but would instead speak about educational exchanges and emphasize US goodwill toward the...