French Foreign Minister Laurent Fabius, pictured with U.S. Secretary of State John Kerry (right) in Vienna Sunday, is upbeat about the prospects about a deal with Iran over its nuclear program after the latest talks in the Austrian capital. Associated Press PARIS–The latest round of negotiations over Iran’s nuclear activities made progress on the delicate issue of how much enriched uranium Tehran should be allowed to produce, France’s foreign minister said Tuesday. France’s top diplomat Laurent Fabius said the U.S., France and other world powers were making some headway in persuading Tehran to roll back parts of the infrastructure that it has in place to process uranium into nuclear fuel. Western countries fear such supplies could be used to make nuclear weapons while Tehran says its nuclear program is solely for civil–not military–purposes. […]