The image of the scrum – a beleaguered politican surrounded by jockeying reporters – is central to our perception of Ottawa. The modern scrum began with the arrival of television, but even in Sir John A. Macdonald's day, a century earlier, reporters in the parliamentary press gallery had waited outside the prime minister's office, pen in hand, hoping for a quote for the next edition. The scrum represents the test of wills, the contest of wits, and the battle for control that have...