 SP Global vice chairman Dan Yergin spoke with CNBC:Our base case for 2023 is 90 for Brent but you have to look at other cases If China gets over Covid ... then you add a lot of demand to the market, that could be one big boost and push prices to 121 a barrel, On the flipside, Yergin said prices could fall to around 70 per barrel in a recessionSays there are 3 major uncertainties: the Federal Reserves decisionsChina dema... 