WTI and Brent Crude have been on a 3-day losing streak -- after OPEC+'s recent talks broke down - -with concerns that this may result in an unruly return of output and spark a potential price war. But how did talks break down? VIctor Shum, VP at IHS Markit-- joined us on Prime Time to discuss why talks broke down, and what the biggest factors are for oil markets in the second half of the year.