The proposed acquisition of Japanese retail giant Seven & i Holdings Co. by Canadian convenience store giant Alimentation Couche-Tard Inc. is subject to review by the Japanese government to assess any potential threats to national security, sources close to the matter said Thursday.The operator of the Seven-Eleven convenience store chain is covered by the Foreign Exchange and Foreign Trade Act, which governs foreign investment in Japanese companies to prevent leaking technologies that could be diverted for military purposes.Under the law, listed domestic companies and their subsidiaries eng…READ FULL ARTICLE