Keiji Furuya (center rear), chair of the House of Representatives’ Commission on the Constitution, attends a meeting of senior committee members at parliament on Tuesday. | JIJI A draft outline for an emergency clause to possibly be included in Japan's Constitution calls for extending lawmakers' terms of office and allowing the Cabinet to issue emergency ordinances in times of emergencies, such as large-scale natural disasters, sources familiar with the matter said. The draft from the Legislative Bureau at the House of Representatives and others was shown to a meeting of executive members of the Commission on the Constitution in the lower chamber of the Diet, Japan's parliament, on Tuesday. Political parties in both the ruling and opposition camps are slated to express their views on the outline at a meeting of the commission Thursday, with full-fledged deliberations scheduled to be held May 21. An emergency clause is one of the focuses in the proposed amendment of the Constitution.…