Bush wants to be able to lie

Obviously. What OTHER reason could he possibly have for saying that his aides will testify, but NOT under oath?

And what on EARTH makes him think that "executive privilege" extends to anyone who WORKS for him? When did THAT start, exactly?

Bush is saying that the White House is constitutionally ALLOWED to cover up. They can commit crimes, and they don't have to answer any of Congress's questions. Remember when they claimed to be "the grown ups"? Well, it's pretty damned infantile to think you have no accountability for your own actions.

Poor bastard - he seems to think he still has juice and political capital. Whereas if Congress impeached him tomorrow, America would cheer.