President Barack Obama signs an executive order on stem cells (Image: Rex)
AS I sit down to write my last World lines column, I cannot help thinking how much the world has changed since I began the column in 2007. The global economy has been trashed by the same sort of short-sighted greed that mirrored the political actions of a US administration that too often rushed for short-term political gain at the expense of long-term international stability.
Back in 2007 I would never have imagined that the international banking system was on the brink of collapse, but I would also…
