...hich was not as yet well known in England and on the Continent, should be stated in a form best calculated to reach foreign opinion. At a meeting held at the American Legation, Sumner proposed that Robert Walsh should prepare a paper on the subject. This was agreed to; but Walsh, when waited upon by Sumner, declined. General Cass next undertook the work, but did not persevere; and, at his request, Sumne...