...independence of the seceded States; that they shall be treated as independent Powers, and that proper laws shall be passed to effect their separation." Messrs. W. Ballard Preston, Conservative; Alexander H. H. Stuart , Unionist; and Geo. W. Randolph, Secessionist, have been appointed to wait on Mr. Lincoln, and have arrived for that purpose. The Southern Commissioners are still here, but they are still unabl...