United Airlines CEO won't resign

United Continental chief executive Oscar Munoz said Wednesday he will not resign and again apologized for the removal of a customer from an overbooked flight by force -- an incident that earned the carrier global scorn.Munoz reiterated his regret at the incident, which mushroomed into a global public relations disaster after video showing passenger David Dao, 69, his face bloodied, being dragged off the plane went viral.Munoz pledged a thorough review of United's procedures and promised that pol