US President Donald Trump is putting unprecedented pressure on Saudi Arabia to keep oil prices low as OPEC ministers arrive in Vienna this week. Trump spent the past month working to soothe US-Saudi relations, as criticism over the killing of journalist Jamal Khashoggi grew louder, largely due to the kingdom's impact on oil and domestic gasoline prices.
But will these efforts be enough to overcome opposition from the US Congress and some bitterness from OPEC officials over the US decision to issue broad waivers from sanctions on Iranian crude exports last month?
We look at Trump's pro-Saudi campaign and Herman Wang, S&P Global Platts senior oil news writer and OPEC reporter, stops by with the state of play from Vienna.
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