Jack, a smart businessman, talks to his son...

Jack: I want you to marry a girl of my choice

Son : "I will choose my own bride".

Jack: "But the girl is Bill Gates's daughter."

Son : "Well, in that case..."

Next Jack approaches Bill Gates...

Jack: "I have a husband for your daughter."

Bill Gates : "But my daughter is too young to marry."

Jack: "But this young man is a vice-president of the World Bank."

Bill Gates: "Ah, in that case..." 

Finally Jack goes to see the president of the World Bank...

Jack: "I have a young man to be recommended as a  vice-president."

President: "But I already have more vice-presidents than I need."

Jack: "But this young man is Bill Gates's son-in-law."

President: "Ah, in that case....."