First LadiesBy: Margaret Truman Fascinating . . . First Ladies is a wonderfully generous look at the women who, often against their wishes, took on what Truman calls the world's second toughest job.The Christian Science Monitor Whether they envision their role as protector, partner, advisor, or scold, First Ladies find themselves in a job that is impossible to define, and just as difficult to perform. Now Margaret Truman, daughter of President Harry Truman and an