Why Disney CEO Bob Iger is stepping down 9 months before his contract ends

Disney's future CEO, Josh D'Amaro, and current top executive, Bob Iger.

The Walt Disney Company; Jordan Strauss/Invision/AP

• Longtime Disney CEO Bob Iger is stepping down early from his role, making room for his successor.
• Iger's decision to relinquish his role comes after he unretired and returned as CEO.
• Disney's board chairman said Iger's move gives the company "a completely clean start."

Bob Iger loves Disney even more than he loves being its CEO.

That...