adopts conciliatory attitude in 1860, [197];
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];