...liam Cornell Jewett, of Colorado, who had been an interminable epistolary adviser of the President. In July, 1864, he wrote Greeley from Niagara Falls that two Confederate ambassadors were then in Canada , with full and complete powers for a peace, and urging Greeley to go on at once for the purpose of a private interview, or to obtain the President's protection, that they might meet Greeley in the U...