GOOD MORNING Prices are lower on profit-taking heading into the Thanksgiving holiday, even though good demand and adverse weather continues.  As to demand; corn exports are ahead of last year's pace by 143 mln bu vs. 132 mln bu week ago, with beans ahead by 368 mln bu vs. 358 week ago.  Wheat continues to struggle on rallies with Russia's world wheat values falling as demand slows, and wheat exports just slightly ahead of last year as compared to corn or beans.  Matif wheat and corn values are lower this morning.    Funds are now long an estimated 300K contracts of corn, 250K beans, and even wheat, and length is creating today's down-draft.  Each of the markets need some sort of pullback, particularly beans a...