How can we translate our concern for our country and the world into effective action? This study explores the lives of four people in the Old Testament who also wanted to make a difference: Amos, who dared to stand for God's truth against the highest officials in the nation; Obadiah, who explained why longstanding family feuds bring defeat and disgrace; Micah, who showed why the only hope for any nation is surrender to the Lord; and Zephaniah,...