U.N. Secretary-General Ban Ki-moon was once asked in an interview about what he considered the most important part of his life. He answered that it was good manners and etiquette. Many of the world’s most successful people claim that the secret to their success was the emphasis they placed on good manners, which helped them communicate well with those around them. In today’s globalized world following etiquette may be more necessary than ever. But every country and culture has their own unique and local brand of etiquette. When in Rome, should we simply do as the Romans do? Or is there a need for a global etiquette everyone can see eye-to-eye on? This week, Shooters asks, "Is there a global rule of etiquette?"