Global economic leaders stepped up warnings that the populist mood sweeping many developed nations is a threat to trade and growth, calling from the sidelines of the Group of 20 summit for governments and businesses to fight to keep goods flowing across borders. International Monetary Fund Managing Director Christine Lagarde urged corporate chiefs to lobby governments to keep trade flows up as she cautioned about the outlook for growth into 2017. JPMorgan Chase Bank CIO of International Fixed Income Nicholas Gartside discusses with "On the Move" host Guy Johnson.