The signals regarding TPP just days before President Obama heads to Japan are mixed and confusing. Currency Conundrum Some powerful congressional Democrats are spitting venom over President Obama headed to Japan next week and possibly pushing for closure on Trans-Pacific Partnership (TPP) negotiations (though a Japanese official has denied TPP is on the agenda). A burning issue for these Democrats is purported currency manipulation, and candidate Obama pledged in 2008 to stop China from the practice. Five years hence, his Treasury Department has once again determined that none of America's major trading partners is manipulating their currency. The report issued this week declares the Chinese yuan "significantly undervalued" as a result of...