By Rob Cox
The author is a Reuters Breakingviews columnist. The opinions expressed are his own.
As nuclear talks between Iran and the other members of the so-called P5+1 group are extended for another seven months, one issue is sure to remain a sticking point. The most important differences between all sides relates to the size of Iran’s uranium-enrichment program.
After Germany's foreign minister saw "no reason for optimism" after talks in Moscow on Tuesday, today Hungary’s Peter Szijjarto meets Russian Foreign Minister Sergei Lavrov. Violence is on the rise again in eastern Ukraine and tougher sanctions against Russia remain a live possibility although EU foreign ministers limited themselves to targeting a few more Ukrainian separatists earlier this week.