China's new ambassador to the United States arrived Tuesday in New York, the Chinese Embassy said, shortly after U.S. President Joe Biden said he believes heightened bilateral tensions will "thaw very shortly."Xie Feng, a former vice foreign minister and a specialist in China-U.S. relations, fills the post vacated by Qin Gang, who became foreign minister last December.Sino-U.S. relations are facing "serious difficulties and challenges," Xie told reporters at a New York airport.But he added the two countries should work together to "manage differences" by properly handling sensitive issues s…READ FULL ARTICLE