A soldier serving with the British Army in Afghanistan has told of the moment he threw back a Taliban hand grenade, telling himself: "I've really only got one chance to do this." Rifleman James McKie from Recce Platoon, 3rd Battalion The Rifles was under fire from three directions on a roof when the grenade hit his platoon commander and landed at his feet. "My first thought was I hope this doesn't hurt too much," the New Zealander said. "That, and I've really only got one chance to do this. "If it fails, either way, doing nothing, I'm going to get...