Iran will “take the next step” on Sunday and begin to enrich uranium beyond the levels specified under its 2015 accord with the United States and other global powers, President Hassan Rouhani said Wednesday, state news outlets reported. Mr. Rouhani’s pledge to accelerate the country’s uranium enrichment is the latest step in an escalating confrontation with the United States over President Trump’s withdrawal from the nuclear pact and imposition of crippling economic sanctions on Iran. On Monday, Tehran increased its stockpile of low-grade enriched uranium above the cap stipulated in the accord. But its announced intention to enrich uranium to a higher level of purity is considered a far more significant breach of the nuclear deal, as it would bring Iran much closer to producing a nuclear weapon. Iran has maintained over the years that its nuclear program was […]