While Iran says it isn’t trying to build nuclear weapons, a look at its key facilities suggests it could develop the technology to make them. WSJ breaks down Tehran’s capabilities as it hits new milestones in uranium enrichment and limits access to inspectors. Photo illustration: George Downs Iran, the U.S. and the European Union said Wednesday that they would send negotiators to Vienna for what could be make-or-break talks on reviving the 2015 nuclear agreement with Tehran, but expectations of an agreement weren’t high after months of stalled negotiations. A senior Western official said the latest Vienna talks, which will start Thursday, were a chance to agree on the final points of a deal to revive the nuclear pact. That agreement lifted most international sanctions on Iran in exchange for tight but temporary restrictions on its nuclear work. EU foreign-policy chief Josep Borrell, who chairs the negotiations, last week […]