sends son to warn Lincoln, 213;
meets Lincoln at Washington, 214;
his theory of irrepressible conflict, 223;
wishes to submit to South, 231;
secretary of state, 234;
tries to withdraw consent, 237, 238;
attempt of Davis to involve, in discussion with Confederate commissioners, 238, 239;
refuses to receive them, 239;
announces that Sumter will be evacuated, 239;
reproached by commissioners, 240;