GOOD MORNING, The commitment-of-trader's report will be out tonight.  Will it show that the managed money funds flipped from a long to a short position in corn?  If so, the position is probably not a large one, but it does represent a willingness on the part of the funds to be net short Ag commodities across the board.  If funds do wind up short corn, it will be the first time they have been short since last May.   The Pro Farmer crop tour begins next week, but there could have been a foreshadowing of things to come today.  After the close, a "digital" yield tour sponsored by DTN and Progressive Farmer found yields in Illinois, Indiana and Ohio that were much below the August WASDE numbers (12-15 percent).&nb...