Double-cropping farmers in Mato Grosso have more than double the incentive to get their soybeans harvested now. The minority that gambled and seeded their soybeans in mid-September and were fortunate enough to catch some of the early rains now stand to benefit two ways: 1) they get to sell their soybeans into prices that are at seven-year highs, and 2) they get to plant their cotton, which is now priced 55 percent higher than its low last spring.  Like soybeans, cotton is getting squeezed between strong demand and drought-reduced production in places like Texas. Global production this year is down 6.7 percent at the same time demand is up by 13.1 percent. Most Brazilian soybean farmers will keep their crop in the ground longer, hoping...