Top nuclear official says centrifuges producing 9 grams an hour, days after attack, blamed on Israel, at Natanz; E3: Iran has no credible civilian need for enrichment at this level Iranian scientists have successfully enriched uranium to 60 percent purity, its highest ever levels, senior Iranian officials declared on Friday. …

The history of Russia-U.S. relations is long and complex, with many observers suggesting they are now at the lowest level they have reached in many decades and are poised to worsen further. I may agree with the first estimate but believe that these relations may be repaired and doubt they …

The attack on oil facilities in Saudi Arabia last month cut the country’s oil production in half, leading to a 20 percent spike in the price of oil and exposing the surprising vulnerability of the Saudi oil industry, which is vital to the global energy supply. It was all apparently …