After yesterday's weakness, the corn market was due for a turnaround and had one for most of the session, thanks to the pull from the soybean market General Comments Every year the soybean harvest season attracts labor disputes and work stoppages by unions representing truckers and/or port workers involved in transporting and handling the harvest. This time trucker unions in Mato Grosso, Parana, Rio Grande do Sul and other states are striking in protest of the Brazilian government's recent increase of the biodiesel fuel tax. In some areas, truckers have blocked main roads to prevent the movement of soybeans and other goods. The government has promised to consider trucker complaints. Meanwhile, however, it has asked courts to end the strik...