From the TED Radio Hour, polar explorer Ben Saunders on what pushes adventurers like him to brink of human endurance. In 2004, Saunders became the third man — and the most recent — to ski solo to the North Pole.
This is WEEKEND EDITION from NPR News. Scott Simon is away. I'm Linda Wertheimer. In Cairo overnight, Egyptian police fired on supporters of ousted President Mohamed Morsi, killing dozens of people and wounding hundreds more.
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UNIDENTIFIED GROUP: (chanting in foreign language)