Keith Humphreys and Jonathan Caulkins: US drugs debate is dominated by a Manichean divide between prohibitionists and liberalisers, obscuring real scientific solutions
US president Barack Obama unveiled plans for America's military future, outlining a historic shift towards a smaller and leaner force that will focus on China and move away from large-scale ground warfare
Key decisions on troop withdrawals are likely to wait until next May - when the Presidentialial election, rather than British interests, and likely to be paramount
16 Dec 2011: Jeffrey Sachs: Our leaderships, in thrall to big business, are failing in so many places all at the same time. But we can't give up on them