CAMBRIDGE – As a graduate student at MIT, I had the opportunity to work with Professors Robert Langer and Ram Sasisekharan in an environment…

AMMAN – The Internet has proved to be a powerful tool for overcoming media restrictions and censorship worldwide. But new restrictions on We…

NEW YORK – Almost immediately after the suspects in the Boston Marathon bombings were revealed to be immigrants, opponents of immigration re…

MEXICO CITY – Latin America and the United States have experienced what one could call a series of “marijuana moments” over the past few wee…

ROTTERDAM – People who are lower on the socioeconomic ladder (indicated by their level of education, occupation, or income) have shorter and…

COPENHAGEN – We often hear how the world as we know it will end, usually through ecological collapse. Indeed, more than 40 years after the C…

FRANKFURT – During the recent hearing on the constitutionality of the European Central Bank’s measures to prevent the eurozone from falling …

NEW DELHI – A casual reader of India’s newspapers for the last several weeks would be forgiven for wondering whether the country was suddenl…

NEW YORK – At this year’s International Monetary Fund/World Bank spring meetings in Washington, DC, the IMF urged European countries to ease…

ZURICH – It is all too easy to envy China. At current growth rates, the Chinese economy will double in size in only nine years, raising an e…

ATHENS – A visit to Greece leaves many vivid impressions. There are, of course, the country’s rich history, abundance of archeological sites…

ATHENS – The centrality of Germany to Europe and, more widely, to world affairs has been amply, and often bloodily, demonstrated over many c…

BASEL – The world’s central banks are engaged in one of the great policy experiments in modern history: ultra-easy money. And, as the experi…

CAMBRIDGE – It seems that austerity is out of fashion in the eurozone – at least for the moment. The European Commission has given Spain, Fr…

CONAKRY – In December 2010, I became President of Guinea following the country’s first truly open and democratic elections. I said then that…

VIENNA – The world faces two looming, interconnected energy challenges: how to provide reliable access to modern energy services to the one …

CAMBRIDGE – The term “currency wars” is a catchy way of saying “competitive devaluation.” In the wake of the sharp fall in the value of the …

LONDON – Governments around the world have just received one of the most important scientific reports ever written. It provides the starkest…

PARIS – In Democracy in America, Alexis de Tocqueville argued that the public’s trust alleviates pressure on the state, allowing it to funct…

BEIJING – With China feeling the pressure from large-scale inflows of short-term capital, the State Administration of Foreign Exchange (SAFE…

PRINCETON – Is it always wrong to take an innocent human life? Many philosophical defenders of the Roman Catholic natural-law tradition argu…

ISTANBUL – The small park in Taksim Square in the sprawling metropolis of Istanbul is one of the few green spaces left in the city center. O…

WASHINGTON, DC – As the 2015 target date for the Millennium Development Goals approaches, the United Nations is intensifying its efforts to …

LONDON – There is only one view of the murder of the British soldier Lee Rigby on a south London street three weeks ago: horrific.But there …

GENEVA – This week, British Prime Minister David Cameron, whose country holds this year’s G-8 Presidency, is hosting a “Nutrition for Growth…