Final answer:
Enron, WorldCom, and NASA have in common financial success followed by scandals and downfall.
Step-by-step explanation:
Enron, WorldCom, and NASA have in common a pattern of financial success followed by scandals and downfall. Enron and WorldCom were both involved in major financial frauds, leading to bankruptcy and criminal charges for their executives. Their cases highlight the dangers of unethical practices and lack of oversight in business, while NASA's similarity lies in its own scandals and controversies related to safety and management.