Last week, WPI noted in a summer cattle market outlook that 14 percent of the cattle producing regions were in drought, compared to 38 percent last year, with the exception of the southeast cow/calf country where drought is worsening and raises questions about cow culling, heifer retention, and hay and forage crops in the region.   The latest crop progress report shows that more than 91 percent of the corn crop in North Carolina is rated fair, or worse. Very poor ratings cover 44 percent of the crop, and 29 percent is rated as poor. That may mean a lot of corn in the state could be chopped for silage for forage, but not much can be transported to bigger cow calf areas of Georgia, Tennessee, Virginia and elsewhere. And with 67 per...