GPs as medical leaders

The following video http://www.youtube.com/watch?v=JmQaCZufBtQ contains an excellent interview with Prof. Aidan Halligan. He talks about his views regarding medical education. Near the end of the video, his discusses an experience he had  in Afghanistan where a GP was leading a NHS field hospital team. He admits this went against the grain, but talks about how it has influenced his work in the NHS.