Occidental Petroleum will buy CrownRock for $12 billion, deepening its foothold in the Permian basin. Energy expert and author of “The New Map: Energy, Climate and the Clash of Nations” Daniel Yergin explains what the recent flurry of oil industry mergers means for geopolitics. The FDA has approved treatment for sickle cell disease, the first treatment to use the gene-editing tool CRISPR. Former FDA Commissioner Dr. Scott Gottlieb discusses a treatment’s journey from lab to patients, as well as improving the public’s access to life-saving care. Plus, Macy’s has a $5.8 billion buyout offer, and University of Pennsylvania’s President Elizabeth Magill has resigned after her controversial testimony on Capitol Hill last week. Daniel Yergin - 15:38Dr. Scott Gottlieb - 23:50 In this episode: Dan Yergin, @danielyerginScott Gottlieb, @ScottGottliebMDMichael Santoli, @michaelsantoliAndrew Ross Sorkin, @andrewrsorkinBecky Quick, @BeckyQuickKatie Kramer, @Kramer_Katie