In the long tradition of democracies wrestling with the boundaries of political speech, a cartoon branding a decorated SAS veteran a traitor has drawn a sharp line between those who claim to defend the military and those who actually served in it. Jacqui Lambie, herself a veteran, turned on Pauline Hanson this week after One Nation refused to remove content attacking Andrew Hastie for the act of testifying truthfully in a court of law. The episode raises an older question than any single political rivalry: whether loyalty to a person can be dressed up as loyalty to a principle, and whether tho