US President Franklin D. Roosevelt often endured long receiving lines at the White House. As the story is told, he complained that no one really paid attention to what was said. So, he decided to experiment at a reception. To everyone who passed down the line and shook his hand, he said, “I murdered my grandmother this morning.” The guests responded with phrases like, “Marvelous! Keep up the good work. God bless you, sir.” It was not until the end of the line, greeting the ambassador from Bolivia, that his words were actually heard. Nonplussed, the ambassador leaned over and…