All of this is mundane stuff. It’s also a prime example of why Die Hard remains the greatest American action movie since it was released 30 years ago this week. Consider everything that the director, John McTiernan, and his screenwriters, Jeb Stuart and Steven E de Souza, set up in this brief little scene. Though Bruce Willis plays McClane as the modern American cowboy, Roy Rogers with an attitude, the film-makers choose to emphasize his vulnerability first. His fear of flying gets us primed for the bumps and bruises he will sustain all night long, when a phalanx of terrorists...