World leaders at the UN General Assembly have been voicing their concerns about the scourge of drug abuse around the globe.<br /> That includes President Moon Jae-in, who took part at an event on Monday titled Global Call to Action on the World Drug Problem,… which was hosted by U.S. President Donald Trump. <br />Moon and 30 other world leaders reiterated their commitment to effectively handle the drug problem gripping many parts of the world. <br />