jack: you go first, esmond. esmond: i go first? jack: of course. voiceover: today, we'll join 6 truly heroic conservationists. from a respected elephant expert... iain: he's perfectly aware that we're here. he's just getting on with feeding.ck, voiceover: h defender of the rhino... damien: we've gotta fight back with new tactics. jack, voiceover: to a commit