Trials of the Administration in 1863--Hostility to War Measures--Lack of Confidence at the North--Opposition in Congress--How Lincoln Felt about the "Fire in the Rear"-- Criticisms from Various Quarters--Visit of "the Boston Set"-- The Government on a Tight-Rope--The Enlistment of Colored Troops--Interview between Lincoln and Frederick Douglass--Reverses in the Field--Changes of Military Leaders--From Burnside to Hooker--Lincoln's First Meeting with "Fighting Joe"-- The President's Solicitude--His Warning Letter to Hooker--His Visit to the Rappahannock--Hooker's Self-Confidence the "Worst Thing about Him"-- The Defeat at Chancellorsville--The Failure of Our Generals--"Wanted, a Man".