Inflation is back in the driver’s seat, and agriculture is getting pulled in two directions. A stronger dollar is pressuring grains despite fresh Chinese buying, while renewed Middle East attacks lift crude oil. Higher energy prices can support commodities, but they also raise expenses and make the inflation problem harder to shake. Outside Markets:  September’s inflation report gave the dollar another push higher and commodities another hurdle. Consumer prices rose 0.6 percent on the month, lifting annual inflation to 3.7 percent from 3.4 percent. Core inflation, excluding food and energy, held at August’s 0.3 percent monthly pace rather than cooling to the expected 0.2 percent, bringing the annual rate to 2.6 percen...