The deadliest war since Adolf Hitler marched across Europe is starting again – and you are almost certainly carrying a blood-soaked chunk of the slaughter in your pocket. When we glance at the holocaust in Congo, with 5.4 million dead, the clichés of Africa reporting tumble out: this is a “tribal conflict” in “the Heart of Darkness”. It isn’t. The United Nations investigation found it was a war led by “armies of business” to seize the metals that make our 21st-century society zing and bling. The war in Congo is a war about you.