Communists vilified her as a raging neurotic. Leftists dismissed her as a confused idealist. Her family pitied her as an exploited lover. Some said she was a traitor, a stooge, a mercenary, and a grandstander. To others she was a true American heroine -- fearless, principled, bold, and resolute. Congressional committees loved her. The FBI hailed her as an avenging angel. The Catholics embraced her. But the fact is, more than a half century after she...