THE SUMTER ANNIVERSARY, 1863. OPINIONS OF LOYALISTS CONCERNING THE GREAT QUESTIONS OF THE TIMES; EXPRESSED IN THE SPEECHES AND LETTERS FROM PROMINENT CITIZENS OF ALL SECTIONS AND PARTIES, ON OCCASION OF THE INAUGURATION OF THE LOYAL NATIONAL LEAGUE, IN MASS MEETING ON UNION SQUARE, NEW YORK, ON THE 11TH OF APRIL, 1863, THE ANNIVERSARY OF THE ATTACK ON FORT SUMTER.