 Complete the following phrase:  By about 1854, part-owner Capt. J. D. Webster, later General Webster and chief of staff at the Battle of Shiloh, and Dr. Charles H. Ray of Galena, Illinois, through Horace Greeley, convinced Joseph Medill of Clevelands Leader to become managing editor. Ray became editor-in-chief, Medill became the managing editor, and Alfred Cowles, Sr., brother of Edwin Cowles, initially was the bookkeeper. Each purchased one third of the Tribune. Under their leadership, the Tribune distanced itself from the Know Nothings, and became the main Chicago organ of the Republican Party. However, the paper continued to print anti-Catholic and anti-Irish editorials, in the wake of the massive 