Yau dai kimanin shekaru takwas ke nan da shuagabannin ƙasashen ƙungiyar tarayyar Turai suka gudanar da wani taron ƙoli don tsayar da shawara akan wani kundin tsarin mulkin da zai zama gishiƙin ayyukan ƙasashen ƙungiyar.
