However, even the current rapprochement is not without disagreement.
And his latest and greatest recent asset, apart from an easy, smiling manner and a fine command of French and English, is his friendship with George Papandreou, his Greek counterpart, who is perhaps even more responsible for the two countries' current rapprochement.
The current rapprochement between Beijing and Moscow has had its effect, too.
In the current environment, reconciliation and rapprochement is the best revenge against the dark forces that are trying to provoke a confrontation between Pakistan and India, and ultimately a clash of civilizations.
In the current climate of rapprochement with Washington, the Cubans are probably looking longingly at a Boeing, previously banned under the terms of the US economic embargo.
While political relations between Iran and France are likely to continue their current course towards a rapprochement, Geranmayeh said there would not be overnight normalisation.
Kerry's recent speech and US foreign policy moves towards Tehran indicate that Washington views the current status of American-Iranian rapprochement as similar to the American-Chinese rapprochement in the early 1970s with President Nixon's trip to Beijing.
"But given the importance of our relations (political, strategic and commercial) with Turkey, and that recognising the genocide would provide no practical benefit to the UK or the few survivors of the killings still alive today, nor would it help a rapprochement between Armenia and Turkey, the current line is the only feasible option".
After years of testy relations under former leftist governments, Argentina has pursued a cautious rapprochement with Britain under the current president, Mauricio Macri.
Sadeq Zibakalam, a Tehran University professor and one of the signatories of the letter, said different factions within the Iranian establishment, including fundamentalists, had come to the conclusion that Iran needed a rapprochement with the US: "They have realised that without this, they can't bring changes to Iran's current dire situation, especially its economy".
Nine fall under the broad heading of current or former politicians and leaders, for example Obama, and the 2000 winner, Kim Dae-jung, the then South Korean president who pioneered rapprochement with the North.
