A system to defend free expression is under attack from foes and former allies. By Carlos Lauría

A system to defend free expression is under attack from foes and former allies. By Carlos Lauría
On Sunday the general assembly of the Organization of American States will convene in Bolivia in the verdant, highland valley city of Cochabamba. The 35 member states (every nation in the region except Cuba) are expected to vote on a measure that, if passed, could curtail free expression and press throughout the hemisphere and put journalists and others at greater risk.