Duff Greenwas an American teacher, military leader, Democratic Party politician, journalist, author, diplomat, industrialist, and businessman... (wikipedia)
His letter was like the shock produced by a cold bath.
Had Calhoun been advised by me, he would have been the most popular man in the United States.
The Union - It is dear to us, but liberty is dearer.
Had it not been for the cry of Nullification, Mr. Calhoun would have been nominated by the Anti-Masons.
Had Calhoun been advised by me, he would have been the Candidate in opposition to General Jackson, and elected and the country saved the misery that followed.