Inspections of Ukrainian grain moving through the Black Sea corridor have been off and on this week as Russia briefly stopped processing them. In less than a month, Russia must decide whether to allow the UN-brokered deal to continue. Moscow is insisting reauthorization is conditioned on the West lifting some trade limiting sanctions, but the G-7 is going in the other direction with potentially increased hardships to be imposed on Russia.  The typical description of Russia is that of a giant gas station with a bunch of nukes. However, those in agriculture know that Russia is also a grain producing giant and the largest exporter of wheat in the world. Russian farmers produced a record 153.8 MMT of grain last year and while they have di...