In the last, but certainly not least, of the Senate Ag Committee's series of farm bill hearings, lawmakers have finally made their way to the commodity title -- but not without some additional delay. A late afternoon advisory from the committee said that votes on the highway bill have delayed tomorrow's farm bill hearing until Thursday. That will be the day of a long, three-panel hearing on the commodity title, a consensus on which has proved to be elusive. As evidence of that point, below are some of the key witnesses and what they are expected to say on Thursday in support of their various farm bill proposals.All of the above proposals -- except for AFBF, which cuts it drastically to fund other mechanisms -- would eliminate direct payment...