Reality Check: Author Peter Walker sees silver lining in China-U.S. ties' dark clouds

      Setting China-U.S. relations right from years of tensions has proven to be tough. That's amid high-level contacts on diplomacy, the economy and climate action. Peter Walker, an author and speaker on China-U.S. relations, sees a silver lining. He says the first thing both courtiers have to do is just be civil to each other and exchange views, adding there's an undeniable need to set a positive momentum in the relationship for everybody's sake.