Why Bob Iger is back fighting for Disney’s life

The Walt Disney Co. turned franchises like Marvel and “Star Wars” into the biggest media business in the world, and last fall it was putting the finishing touches on the image of a storied character: its chief executive, Bob Iger.
In late September, Iger, 69, published “The Ride of a Lifetime,” an engaging work of self-hagiography. The handsome executive, who seriously considered running for president this year, spent the next month on the kind of media tour that Disney i