The President has approved the sentence of a military court held in Georgia, wherein a colored man called Isaac was sentenced to be hung for killing his former master. It apjiears Isaac ran away from his master and joined the Union army; after ihe war lie returned, and learning that bis master had said that if the negro ever came back be would shoot him, Isaac deliberately went to bis master's house, after nigtet, raised the window, and shot him dead Willi a Title.