What disturbing trend in leadership did Torres notice while studying what makes great leaders?

She noticed that, despite all the efforts, there were familiar stories that kept resurfacing about individuals.

Explanation:

Rosalinde Torres, during her TEd talk "What It Takes to Be a Great Leader", explains she has noticed a disturbing trend in leadership preparation. According to Torres, despite all the efforts, there were familiar stories that kept resurfacing about individuals. She saw several "great" leaders fail tremendously, even though they were supposed to be the most efficient, best prepared people for the job. They would often lose money, be surprised by market shifts, etc. That was when Torres decided to quit her job and study what it takes to be a great leader. There are leaders so efficient that, even with little preparation or investment, are capable of managing an organization through difficult times, or make a huge impact in the world.

what part do you need with?

reasoning from several particular examples to establish a general principle