The markets have been absorbed with discussions about the potential for big corn acres with record or near-record yield estimates and a correspondingly large increase in U.S. ending supplies. The soybean outlook, on the other hand, has started to shift from bearish just a few months ago to maybe a bit bullish today. That shift is the result of a significant reduction in South American soybean production, coupled with steady or slightly increased U.S. soybean plantings this spring. Wheat, on the other hand, just hasn't drawn much attention. The world is awash in wheat -- at least, that seems to be the prevailing perception. Huge wheat crops in the Black Sea region plus a record wheat crop in Australia put wheat in the bearish category. Whe...