They've finished the south leg that's taken them from Immokalee to Louisville, Ky. This morning, Immokalee farmworkers and their supporters will split into three groups that will take them to St. Louis, Indianapolis and Cincinnati. By Saturday, they will reach the peak of this year's "truth tour," which targets McDonald's restaurants. On April 1, the group and their allies plan a five-mile march to the Rock 'n' Roll McDonald's in downtown Chicago. Their fight is for better wages and living conditions for tomato pickers. So far, the tour — organized by the Coalition of Immokalee Workers — has gone smoothly....