Oil market today as tight as the 1990s, Jeff Currie says

Jeff Currie, Goldman Sachs global head of commodities research, joins 'Closing Bell' to discuss the recent run-up in commodities. Currie explains how a cold winter could create an exhausted inventory, which could trigger a continued rally in natural gas. Goldman's global head of commodities research also weighs in on which commodities fit as the best inflation hedge.