...f a Sabbath League. At home, a New England pro-slavery Sabbatarian press recoiled from the spectacle of the Rev. John G. Palfrey, a Massachusetts Representative in Congress, addressing to the Hon. Robert C. Winthrop , candidate for the Speakership of the House, a catechism as to his probable use of the office with reference to slavery and the Mexican War—on Sunday! But no pain was caused by Mr. Winthrop's...