Lesley Stahl's job offer from CBS came with an ultimatum -- "if you can't start tomorrow, forget it." The year was 1972, and opportunities for women in network television were rare. With the same determination that would define her career, she promptly departed Boston, went to Washington, and began her ascent to the top of broadcast journalism. In a male-dominated world, Stahl established herself as a "scoopster" and a "door kicker," breaking some of the most important stories in Washington, including Watergate. She would cover the next three presidents, witnessing the disintegration of Jimmy...