Walt Disney Co.'s board is expected to name President Robert Iger as its new chief executive shortly, according to a person familiar with the situation. Mr. Iger would succeed longtime chief Michael Eisner, who has announced plans to step down. Disney's board met late Saturday to discuss the CEO search and could announce Mr. Iger's promotion as early as Sunday. The leading external contender in the succession battle, EBay Inc. Chief Executive Meg Whitman, withdrew her candidacy for the position Friday. Having been stripped of his chairman title after a shareholder revolt last year, Mr. Eisner announced plans to depart...