German Economy Minister Sigmar Gabriel attempted to put the U.S. in the defensive position on Transatlantic Trade and Investment Partnership (TTIP) negotiations by stating that their success or failure is an American responsibility.German Economy Minister Sigmar Gabriel attempted to put the U.S. in the defensive position on Transatlantic Trade and Investment Partnership (TTIP) negotiations by stating that their success or failure is an American responsibility. He framed the problem as a reluctant Washington disinterested in opening the U.S. market, but American agriculture’s perspective is completely the opposite – deep skepticism that Europe is willing to level the playing field.U.S. business groups share the view of some European leaders...