Michael Purves, Weeden Chief Global Strategist, says credit spreads have yet to back up. Stephen Roach, Yale Professor, Former Morgan Stanley Asia Chairman and Author of "Unbalanced: The Codependency of America and China", says tariffs are attacks on importers and the U.S. is the importer. Keyu Jin, London School of Economics & Political Science Professor, thinks U.S. tariffs have caused a surge of nationalism in China. Ted Alden, CFR Senior Fellow, Author of "Failure to Adjust: How Americans Got Left Behind in the Global Economy", says Trump's complaints about China are legitimate but his tactics aren't.