It’s been nearly three weeks since Hamas launched its bloody attack on Israel. And a ground invasion of Gaza is “inevitable”, the Israeli Defence Force said the other day,  unless Hamas surrenders unconditionally. But what will an incursion into Gaza mean for the people there? How many people might lose their lives? And can horror lead to peace in the Middle East? International and political editor Peter Hartcher says that previous conflicts foreshadow what might happen after Israeli troops hit the ground. Today, he joins Samantha to discuss the lessons we can take from other wars. And whether battle can ever be humane.Subscribe to The Age & SMH: https://subscribe.smh.com.au/See omnystudio.com/listener for privacy information.