When it comes to stoking global economic activity, the 800-pound gorilla rattling some markets is the potential slowdown in China's growth. Late as Usual Rep. Sander Levin (D-Michigan) is an influential trade skeptic who has voiced his opposition to a pending Trade Promotion Authority (TPA) bill and his intent to amend it. U.S. Trade Representative Michael Froman and others have noted that the TPA provides a special and more robust role for Congress in trade agreement negotiations. Now Rep. Levin is asserting that Congress must insert itself into the Trans-Pacific Partnership (TPP) talks regardless of TPA. He is trying to have his cake and eat it too by denying the executive branch (President Obama) the benefits of TPA while nonetheless t...