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Second- and third-stringers eye 2016 if front-runner stumbles
Topic - David Rootes
"She has to have the beacon, because it's so easy for a solo person to get in trouble," said David Rootes, a veteran polar guide who runs Antarctic Logistics and Expeditions.
"You have to have a hell of a lot of drive and single-mindedness to do this, because everything in the world will get in the way to stop you," he said.