The Yomiuri Shimbun (Jan. 5, 2013) Deeper EU integration needed as European crisis drags on 試練の世界経済 欧州危機の収束はまだ途上だ（1月4日付・読売社説） ◆財政再建緩めずに「統合深化」を◆Europe's protracted fiscal and financial crises app…