CNNW CNN Newsroom June 20, 2012
and may have big-footed congress. kate bolduan is on the case. we heard it moments ago. the white house asserting executive privilege. >> reporter: it is the latest twist in this ongoing battle that is coming to his -- leading up to this showdown vote, this contempt vote, that the republican chairman of the house oversight committee, congressman darrell issa, has been threatening. he says he had a subpoena for documents relating you of the department of justice relating to this botched gun-running operation known as fast and furious. he wants these documents and the department of jus...