As you know, idioms come from context, context being cultural situations or moments. The following idiom perfectly describes what Mubarak is doing right now in Egypt. He fired his government and appointed the same corrupt people. By hiring the same corrupt people, Mubarak's actions have no purpose thus are useless. That is the meaning of this popular idiom. Broadcasters in America, on CNN for example, are all using this idiom.
The Pro
