dan metcalfe was the head of the office, guiding agencyies on how to request information. welcome to the show. >> good afternoon. >> just off the top, sir, why do you think secretary clinton used the private e-mail server period? >> well i probably should caution you right at the outset that it's not just the server. that actually was a secondary step that she took. the first step was when it came to using e-mail itself just in general, she used exclusively a personal e-mail account as opposed to an official government e-mail account. that's point one. secondly when she did that she didn't take the steps that the government says should be taken in the exceptional circumstance in which there is resort to a personal e-mail account. the rule is that you should use the official e-mail account, but if you're a busy secretary of state responding to crises around the world in the middle of the night, sometimes you can't grab that device so readily. so there is some flexibility as a practical matter to allow a personal account to be used occasionally. when that happens, the step i