eric holder is refusing to entertain such suggestions. he has instead cast two u.s. attorneys to look into the marr matter. are not operating independently and must report directly to the attorney general. now, also complicating things, ronald machin was hired by holder in the 1990s and he was appointed by obama in 2010 and that's just the tip of the iceberg, when it comes to this conflict of interest. >> would it surprise to you know that he is a political contributor to president obama's campaign and served as a volunteer in obama for america and assisted in the vetting of the potential vice-presidential candidates? >> i am confident that he has the ability, the capacity to investigate this case in a nonpartisan, independent, thorough and aggressive way. >> i would suggest the question that that raises by your answer is whether you have the independence and the ability to conduct the investigation? >> sean: now, to be clear, this u.s. attorney who we are supposed to trust to be an unbiased investigator donated more than $4,000 to the obama campaign in 2008. now this in and of itself is a scandal. here wi