A major security forum kicked off in Singapore on Friday amid growing concern that an intensifying U.S.-China trade war may exacerbate security tensions between the world's two largest economies.The situation in the South China Sea -- where Beijing has been creating artificial islands with military infrastructure -- and North Korea's denuclearization are likely to be on the agenda of this year's Asia Security Summit, known as the Shangri-La Dialogue.Defense officials from around 40 countries, including the United States and Asian and European nations, are attending the three-day security me…READ FULL ARTICLE