By Robert N. Hein Ever since the Chinese military philosopher Sun Tzu outlined principles required for the conduct of war in the fifth century B.C., military strategists have opined on what those principles are, and whether currently accepted principles need revision. A strong case exists for the principles …

By James R. Holmes S’pose for the sake of discussion that war constitutes “our best option” in the long-running nuclear standoff with Iran. If so, proponents of military action sound remarkably tepid advocating it. They set expansive goals—terminating or setting back the Islamic Republic’s nuclear-weapons program—yet quail at …

By Reiji Yoshida Prime Minister Shinzo Abe embarks on a seven-day tour of the United States this week, the highlight of which is a summit with President Barack Obama in Washington on Tuesday. The meeting has taken on added importance for the two leaders as their countries engage …

By Lyle J. Goldstein With the centenary of the sinking of the Lusitania at hand, the anniversary of this tragic event has produced a non-fiction best-seller, but little serious reflection among strategists. This is curious given that the submarine has emerged in the early 21st century as the naval weapon …

Peter Harris From the National Interest Greece’s domestic turmoil is well documented, but Greek foreign policy over the past three months has been equally fraught with turbulence, frustration and failure.  For despite the coming to power of Syriza—a vigorous, outwardly uncompromising and almost revolutionary party of government—the Greek state …

A comprehensive nuclear deal with Iran is “closer than ever” but the work is far from over with key issues unresolved, John Kerry, the US secretary of state, has told a global gathering on nuclear disarmament, where he and Iran’s foreign minister met on the sidelines. Several of the …

By Louis Ritzinger From the National Interest On March 25, a Saudi-led coalition of ten Arab states began an aerial bombing campaign against Houthi rebels in Yemen, who had taken control of the capital, Sana’a. The Houthis were steadily progressing to the port city of Aden, where the …

By Christoph Reuter An Iraqi officer planned Islamic State’s takeover in Syria and SPIEGEL has been given exclusive access to his papers. They portray an organization that, while seemingly driven by religious fanaticism, is actually coldly calculating. Aloof. Polite. Cajoling. Extremely attentive. Restrained. Dishonest. Inscrutable. Malicious. The rebels …

SPIEGEL ONLINE : US intelligence spent years spying on European targets from a secretive base. Now, it seems that German intelligence was aware of the espionage — and did nothing to stop it. It was obvious from its construction speed just how important the new site in Bavaria …