...e involved in a quarrel with M. Turgot, the French ambassador, whom he severely wounded in a duel. Having taken a high-handed measure in reference to a treaty for reciprocity of trade between the United States and Cuba, he joined in the Ostend conference, and was one of the framers of the Ostend manifesto (q. v.). He returned to the United States in 1855, and in 1862 was arrested by General Butler for disl...