China missing from itinerary of U.S. diplomat's second Asia tour By David Brunnstrom and Michael Martina Reuters WASHINGTON (Reuters) - U.S. Deputy Secretary of State Wendy Sherman will visit Japan, South Korea and Mongolia next week, the State Department said, making no mention of any stop in China that had been anticipated in foreign policy circles and reported in some media. After the State Department announcement on Thursday, sources told Reuters that Washington was preparing to impose sanctions on Friday on Chinese officials over Beijing's crackdown on democracy in Hong Kong and to issue a warning to international businesses operating there about worsening conditions.