"new york times" white house correspondent mark landler who had a fascinating interview with national security adviser susan rice. that was in the sunday times. mark, first to you. this white house denial that the president even knew about the snowden leaks regarding angela merkel. is the denial he saw the product in the presidential daily brief in what they were learning from germany but didn't know the source. how could they have such a source, angela merkel and not have it in the president's pdb. >> well, andrea, the brief the president gets every day has sort of a binder that's attached to it that has a lot of other supporting documents. i think one of the questions here is, is it possible that the actual intercepted data and background material was in that supporting document, which the president wouldn't receive in his daily brief but would be available to his top advisers, national security adviser, chief of staff, and others that take part in the briefing. so one of the questions is if president obama didn't know, did senior officials who regularly brief him know. if they did