Belarus threatens to cut off gas to the EU

Belarus's leader has threatened to cut off gas supplies to Europe if sanctions are imposed over an escalating migrant crisis at the country's border. Thousands of people are at the border with Poland, enduring freezing conditions in the hope of crossing into the European Union. We get analysis from James Waddell, senior global gas analyst at Energy Aspects. Plus, Brian Durst of Themis Trading in New Jersey on the day's trading on Wall Street.