We have to conclude that his illness is more serious than we've previously been led to believe, says Victor Bulmer-Thomas.
Shale gas production would likely ignite bigger and louder protests in the UK and Europe [than in the US], says Paul Stevens.
Governments must cooperate to tackle increasingly sharp swings in prices of commodities such as food, metals and oil that threaten stability within and between countries, Chatham House said.
Nowhere should we be more attuned to social media than in international relations, writes Tom Fletcher, the 37-year-old British Ambassador to Lebanon, in The World Today.
Chatham House has just published a report arguing that rising demand for commodities, combined with economic nationalism, make a bad mix.
Pressure on the world's resources is becoming so great the situation could trigger a proliferation of hunger and warfare hugely damaging to the global economy, according to an analysis published today by Chatham House.
Resource nationalism is making commodity prices more volatile and threatens global security, warns a Chatham House report.
The danger now is that all these [Islamists] will go to Mali and train and make a holy war like in Afghanistan, and then they will come back to Tunisia. Our main foreign policy challenge for the next three years is to restore order to Mali, says Tunisian President Moncef Marzouki in The World Today.
A large section of the opposition have always felt uncomfortable with the election result that brought Morsi to power. What we are seeing is an ongoing power struggle. The majority would want to go to a referendum and see this out, Maha Azzam told Al-Jazeera TV.
These elections are important not just to Ghana, but for the growing number of states and actors seeking to benefit from increasing confidence in Africa, says Alex Vines.
Nadim Shehadi believes that Syria is trying to send a message to the West that keeping the Assad regime in power means more stability for the region.
David Butter said that if it was in Syrian pounds, the cargo [flown in] would seem to represent 'probably more than would be required for a normal replacement of banknotes'.
Demographic trends are like oil tankers — you cannot turn them around immediately. What seems to me to be important is the working-age population — and actually that is something we do know 18 years ahead of time and it is rather depressing news for Russia, says James Nixey.
Barring unforeseen developments, like an early fall of the regime, perhaps through a coup d'état or an assassination or a change of mind by Russia or China, the likelihood of a military intervention by the West has come much clearer today, much nearer, says Michael Williams.
There is a need for US leadership on Syria which is lacking, says Nadim Shehadi.
The Malian-led rebel groups are more willing to negotiate than the jihadists. They know that if they’re seen as working with Al-Qaeda they'll be the enemy of the whole world, says Paul Melly.
It has been Iran's long-standing aim to establish that none of the crises in the region can be resolved without taking Iran into account. The Gaza developments were a gift for Iran in that regard, says Sir Richard Dalton.
Protests stem from a population who feel they are being treated as second-class citizens, not because they have different interpretations of the Quran, said Jane Kinninmont in a CNN interview last year.