Asia Analyst Clyde Prestowitz Says It Is Time For Japan To Take A Greater Security Role In The Asia-Pacific Region, Even If It Requires Amending Its Pacifist Post-War Constitution. Prestowitz, A Former Trade Negotiator And Now President Of The Washington-Based Economic Strategy Institute, Says Prime Minister Shinzo Abe's Pronouncement At A Security Summit In Singapore That Tokyo Intends To Play An Even Greater And More Proactive Role In Making Peace More Certain Should Receive US Support. Prestowitz, Writing A Column For The Reuters News Agency, Told VOA's Victor Beattie Japan's Leadership Appears To Have Come To The Conclusion That It Can No Longer Rely On The American Security Guarantee.