Blacks at Home Support a Judge Liberals Assail By DAVID FIRESTONE LAUREL, Miss., Feb. 15 — Back in Washington, his opponents have depicted Judge Charles W. Pickering as the personification of white Mississippi's oppressive past, a man so hostile to civil rights and black progress that he is unfit for promotion to a federal appeals court. But here on the streets of his small and largely black hometown, far from the bitterness of partisan agendas and position papers, Charles Pickering is a widely admired figure of a very different present. In funeral parlors and pharmacies, used-car lots and the City...