BusinessTalk: Spencer WelchTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoBusiness11/30/2016November 30, 2016OPEC Optimism: Oil ministers agree on big output cut. We asked Spencer Welch, Oil Industry Analyst, IHS Markit: What Sort of deal would it be and would it really ease downward pressure on prices?https://p.dw.com/p/2TXOmAdvertisement