DAVID GREENE, HOST:
Some people call it the art of diplomacy. Well, it sure is an art with a lot of rules. When an American president is meeting with a foreign leader, it is so important to respect the country's customs, use proper greetings, serve the right food, above all, avoid mistakes that could make things awkward. You might remember this scene from the TV drama, "The West Wing.
(SOUNDBITE OF TV SHOW, "THE WEST WING")
DULE HILL: (as Charlie Young) C.J.?
ALLISON JANNEY: (as C.J.) Hassan Ali is coming?