If South Korea wants to unlock access to South American trade, it will need to prove it is not a competitor interested only in extracting natural resources but a trustworthy partner committed to revitalising manufacturing industries, according to observers. On Monday, South Korean President Lee Jae Myung and Brazilian President Luiz Inacio Lula da Silva agreed to revive negotiations on a free-trade agreement between South Korea and Mercosur, the South American trade bloc. A joint working group...