BBC: Even as they struggle to find common ground on Iraq, are America and Iran locked in the escalating tensions of a new Cold War?
Many analysts saw their meeting in Baghdad on 28 May as a sign of a thaw.
The US ambassador to Iraq, Ryan Crocker, described his four hours of talks with his Iranian counterpart as "positive".
But look at the bigger picture and there are serious and growing tensions on several fronts. Iran and the US: A new cold war? (more) By Roger Hardy
Mark Alexander
