Risky Trade How much Ukraine produces, and exports are critical questions for global agricultural markets. With its own Black Sea ports blocked, some grain and oilseed products have moved westward via challenging logistics. Comvex, which operates the Romanian port of Constanta says a cargo of over 71 KMT of Ukrainian corn loaded this week, the first since Russia invaded Ukraine. And Bulgaria has offered Ukraine the use of its port of Varna, though that may require reviving Soviet-era railroad tracks. Either way, the risk to these shipping routes is the fact that Russia controls the Black Sea. This means any meaningful shipments could easily be harassed by Russian warships.   Reassessing China As the Soviet Union dissolved and C...