Russia's economy is effectively at a standstill after it was slapped with extensive western sanctions, and now it has to make the first of four monthly interest payments on dollar bonds. It's likely the country will not be able to pay — so what happens next? Major credit ratings agencies have downgraded Russian sovereign debt, with Fitch issuing a 'C' rating and S&P Global Ratings issuing a 'CCC-' rating. Caleb Silver, Editor in Chief of Investopedia, joins Closing Bell to discuss what a Russian debt default could mean for Russia's economy, U.S. consumers who have pensions with exposure to Russian assets, and whether this could create a global financial crisis.