Trade Policy This Week Capitol Hill: Congressional hearings this week on U.S. trade policy under President Trump will offer insights on relative political support or opposition. Republicans in Congress should have held hearings before the trade war was started. Now that it has begun, stopping it requires successful negotiations with trading partners. Simply ending the leverage approach means completely walking away from the objective of better terms of trade. After all, the Transatlantic Trade and Investment Partnership (TTIP) negotiations with Europe had hit a wall, and Japan insists that the Trans-Pacific Partnership (TPP), an agreement that Mr. Trump campaigned against, is the only option for the U.S. even as it completes a bilateral fr...