NEW YORK HERALD, March 28, 1860, with various reports relating to the issue of slavery.   Page 2 has a lengthy letter: "The Slavery Question" "What A Tobacco Planter of Maryland Thinks of the Politics of the Day". Other news of the day includes: "The Late Captures In The Gulf" "Affairs On Rio Grande" "The Strikes In New England" and much more. 8 pages in good condition.