The key to shuttle freight values will be what the turn times are through the harvest and into the winter. The railroads were able to essentially triple their car fleet when shuttles were making roundtrips from the Dakotas to the Pacific Northwest in nine or 10 days.Poor rail service has been a factor throughout most of the last 40 years in the grain business. Railroads have always been a favorite target of politicians because it pits the perception of the poor farmer against the giant railroads. Indeed, there were lengthy periods of time when the railroads didn't perform very well and deserved political attention, but that hasn't been the case over the last decade until the past six months or so. During that extended period of "no complain...