Lee: U.S. Shale 'Big Unknown' to Combat OPEC Deal

Bloomberg Video

Nov.28 -- OPEC is facing the prospect of leaving Vienna without a deal to cut oil production as internal divisions forced the cancellation of some talks. Blomberg's Will Kennedy and Bloomberg Gadfly and Bloomberg View columnist Timothy O'Brien join William Lee, head of North American economics at Citi Research, on "Bloomberg Surveillance." (O'Brien is a Bloomberg Gadfly and Bloomberg View columnist. The opinions expressed are his own.)