PHNOM PENH, Cambodia — After a U.S. warship visited the Chinese-built Ream Naval Base on the south coast of Cambodia last week, analysts warn the government here should brace for a response from Beijing. The port call by the USS Cincinnati came amid a warming of relations with Washington after a decade of sour ties that took an unwanted toll on Southeast Asia, as Phnom Penh eschewed the West and embraced Beijing, its money, its influence and did its bidding. “China will be quietly displeased