Iran Options Seem Narrow as It Seeks to Avenge Slain General

(Bloomberg) -- Iranian Supreme Leader Ali Khamenei threatened “severe retaliation” against the U.S. for the assassination of the country’s most prominent military commander, but he may be limited in what he can do.While Iran’s Foreign Minister Mohammad Javad Zarif told state TV that the Islamic Republic’s response can come “at any time and by any means,” U.S. sanctions have hobbled his nation’s economy. Any action that triggered a conventional war