BRUSSELS (AP) — Ukraine was due on Monday to officially begin European Union membership negotiations , launching a process that will require its government to commit to years of political reforms even as it continues to fight a Russian invasion. Ukrainian Deputy Prime Minister Taras Kachka was to attend a so-called intergovernmental conference in Luxembourg, to open talks on a first group of policy areas that will help Kyiv align with EU laws, standards and values. Ukraine sees EU membership as