CHICAGO, United States (AFP) — The chief executive of embattled United Airlines unequivocally apologized Tuesday for an incident in which a passenger was dragged off a plane, and promised a “thorough review” of the airline’s practices. The apology came after mounting criticism of the carrier’s actions stemming from a Sunday flight, when a passenger was dragged off a plane and bloodied in the process. The US Department of Transportation promised to investigate the incident. “I […]