Japan’s parliament on Friday enacted legislation to establish a “security clearance” system, allowing critical government information to be classified on economic security grounds to prevent leaks to overseas entities. Under the legislation, the government would be able to designate information as classified if it deems that its dissemination could undermine Japan’s national security and make it accessible only to individuals who have passed background checks. The House of Councillors passed the bill with the backing of the ruling Liberal Democratic Party and its junior coalition partner, the …