The CBOT turned lower again on Wednesday with wheat leading the way on headlines that Russia may establish export corridors for Ukrainian grain/ag products. Russia’s Deputy Foreign Minister indicated the country is talking with the UN on potential food export corridors in the Black Sea, which sparked media headlines and prompted news-reading algos to sell CBOT ag products.  WPI doubts the UN-Russian talks will result in any meaningful change to world grain/oilseed balance sheets as Russia is still insisting on full removal of western sanctions before it will open export corridors. Until Russia ends its aggression in Ukraine, the West will not significantly loosen its sanctions and so Russia’s stance is effectively a deal-k...