Cites executive privilege in bid to stop Miers, Taylor testimony
                                
                                
                                    (Newser) -
                                    In an aggressive use of executive privilege, President Bush instructed two of his former aides yesterday to disregard congressional subpoenas demanding they testify about the attorney firings scandal. In a letter to Congress, Bush's counsel rebuffed Democratic senators for encroaching on internal White House affairs, bringing the two branches closer...