Possible Clues:

• Noted 2001 bankruptcy
• 2001 scandal subject
• Bankrupt energy giant
• Scandal-plagued energy giant
• Ill-fated energy giant
• Noted bankruptcy of 2001
• Collapsed company of 2001
• Scandal-plagued energy company
• 'The Smartest Guys in the Room' company
• Ill-fated energy company