The world’s biggest oil and chemical companies are about to unleash a tidal wave of plastic raw materials by the mid-2020s, tapping cheap shale gas to meet growing demand from makers of everything from toys to plumbing to consumer goods. In this week’s “Commodity-In-Chief” on “Bloomberg Commodities Edge”, Bloomberg's Alix Steel talks with Mark Lashier, president and chief executive officer of Chevron Phillips Chemical Company. (Source: Bloomberg_TV)