US President Donald Trump registers his surprise as he realizes other leaders, including Russia’s Prime Minister Dmitry Medvedev, Vietnam’s President Tran Dai Quang, President of the Philippines Rodrigo Duterte and Australia’s Prime Minister Malcolm Turnbull, are crossing their arms for the traditional “ASEAN handshake” as he participates in the opening ceremony of the ASEAN Summit in Manila, Philippines November 13, 2017. —