WASHINGTON (Reuters) – Unfavorable opinions of China among Americans are at a new high, with more than 90% of U.S. adults saying China’s partnership with Russia is a problem for the United States, a survey released on Thursday by the Pew Research Center showed. Negative views toward China in the United States and many other advanced economies have soared in recent years, as Western governments have complained of the increasingly powerful country using economic and military coercion to exert its will around the world. China and Russia also have developed closer ties, including the announcement …