Markets have been tumbling around the world, in reaction to a darkening global economic landscape - and some equally dark language that politicians have been using to describe it.

BBC: The global economy and the Hollow Men

Mikis Theodorakis, Greece's most famous composer, expressed the visceral reaction of many when he said the crisis was probably a plot by dark forces in America and other capitalist centres to subdue proud, independent nations.

ECONOMIST: The Greek crisis