The Colombian government and FARC rebels have signed a historic peace agreement that charts a path to sustainable peace after decades of civil war.

The extradition process enables governments to bring fugitives abroad to justice, but it can be fraught with political tension, even when a treaty is in place.

The Organization of American States is an important forum for regional diplomacy and has become more assertive in promoting the rule of law, human rights, and fair elections as some states face domes…