Buerhaus PI. Is hospital patient care becoming safer? A conversation with Lucian Leape. Health Affairs (Millwood). 2007 Oct 9; [Epub ahead of print].According to Lucian Leape, patient safety expert and pioneer, safety in hospital care is improving and it is now possible to get to a level of zero defects. Growing recognition of the need for team training, use of trigger tools, improving the competency of physicians, and full disclosure and compensation to injured patients exemplify positive developments. Yet many barriers remain.