A Year of Waiting and Trial--Again Defeated for the Senate--Depression and Neglect--Lincoln Enlarging His Boundaries--On the Stump in Ohio--A Speech to Kentuckians--Second Visit to Cincinnati--A Short Trip to Kansas--Lincoln in New York City--The Famous Cooper Institute Speech--A Strong and Favorable Impression--Visits New England--Secret of Lincoln's Success as an Orator--Back to Springfield--Disposing of a Campaign Slander--Lincoln's Account of His Visit to a Five Points Sunday School.