Carlos Ghosn is out at Nissan, but maybe not an Renault

One of the auto industry's most powerful executives, Carlos Ghosn, is out as Nissan as of this morning. But Ghosn, who was arrested in Japan Monday for underreporting his income, presides over three automakers. Mitsubishi and Renault might not be so quick to drop him. Then: How globalization and technology have grown smuggling exponentially.