The content originally appeared on: CNN A version of this story first appeared in CNN Business' Before the Bell newsletter. Not a subscriber? You can sign up right here. You can listen to an audio version of the newsletter by clicking the same link. London (CNN Business)This week, Russia defaulted on its foreign debt for the first time since the Bolshevik revolution after it failed to pay interest on two bonds during a 30-day grace period that expired Sunday. But […]