What is "Executive Privilege?"

Yesterday, President Bush used his presidential "executive privilege" in ordering former White House counsel Harriet Miers to defy a congressional summons ordering her to testify before a Senate panel investigating President Bush's role in the recent firing of eight federal prosecutors. Where does this "right" of executive privilege come from? Under what circumstances do presidents use it? Just how "privileged" is the executive? [Learn more...]

Also See:
The Executive Branch of Government
About the President of the United States
The Separation of Powers