>> THIS IS "THE ASIA TRADE," I AM SHERY AHN IN TOKYO. HAIDI: I AM HAIDI STROUD-WATTS. WE ARE LIVE IN BEIJING AS WE COUNT DOWN TO PRESIDENT TRUMP'S ARRIVAL FOR HIS MEETING WITH XI JINPING.THIS MEETING HAS BEEN BUILT UP FOR ALMOST A DECADE. THAT WAS THE LAST TIME A U.S. PRESIDENT VISITED CHINA. THE BACKGROUND SINCE THE PRESIDENT'S LAST MET LAST YEAR, THINGS HAVE CHANGED DRAMATICALLY.THREE MONTHS OF THE WAR IN IRAN. PRESIDENT TRUMP SAYING THE CEASE-FIRE REMAINS SO FRAGILE IT IS ON LIFE SUPPORT. THIS IS THE WEE ...