The corn bulls have been hoping that the Pro Farmer crop tour will reveal USDA to be a liar. The crop voyeurs are seeing some yields below the its estimates but also some that are higher. Either way, their observations will not change USDA’s numbers. In fact, those could stay roughly the same until more definitive groundwork is done by the agency in October. That will seem like an opportunity, but there is always the chance for surprises along the way – look what happened in the cattle market this week. Weather is perpetually a wild card. Australia certainly is getting its fill of unfavorable dryness, which could also return to the eastern U.S. Corn Belt in the five-10 day outlook. First, however, there is a chance that region...