The second most powerful person in the United States is Rosalynn Carter.
There is virtually no dispute about that now among Cabinet officers, White House aides and assorted other observers of the presidential scene. The title is unofficial, and has been slow in taking effect because of the unstructured nature of Carter's leadership. But Rosalynn now joins a select fraternity that since the end of World War II includes only Clark Clifford, John Foster Dulles, Robert Kennedy, Dean Rusk and Henry Kissinger.
She is the first woman in the club. She emerges from the shadows of the past two years as...