... letter of General Abner Doubleday, published in the New York Times of April 1st, until my attention was called to it nearly a month afterward. But, in view of the fact of my previous silence, when General Doubleday has discussed the same topic, that does not account for my noticing it now or at all. I begin, therefore, with an apology for breaking that long silence, induced by the conviction that he had manifes...