The United Arab Emirates' decision to quit OPEC has blindsided its partners and will dilute the cartel's ability to manage oil prices by adjusting supply. Bloomberg's Stephen Stapczynski explains how differences in the vision of the UAE and the group’s de facto leader Saudi Arabia have simmered for years. -------- More on Bloomberg Television and Markets Like this video? Subscribe and turn on notifications so you don't miss any videos from Bloomberg Markets & Finance: https://tinyurl.com/