Police officers step into the vandalized gateway to Sri Lanka's presidential palace in July. The country has been hit hard by an economic crisis. Abhishek Chinnappa | Getty Images News | Getty Images Curtis S. Chin, a former U.S. ambassador to the Asian Development Bank, is managing director of advisory firm RiverPeak Group. Jose B. Collazo is an analyst focusing on the Indo-Pacific region. Follow them on Twitter at @CurtisSChin and @JoseBCollazo. As the new year approaches, we turn again to our annual look at Asia's winners and losers. Government and business leaders in every major economy — China now…