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Geo answer

The answer to today's Geo Quiz is Colombia -- fourth largest country in South America, after Brazil, Argentina and Peru. A writer for Lonely Planet recently claimed he didn't visit Colombia to research Lonely Planet's guide to the country. Anchor Lisa Mullins speaks with travel writer Ginger Otis about the revelation.

Environment

Geo answer - Elephanthus

For today's Geo Quiz -- we're looking for the Scandinavian city that's home to one of Europe's oldest zoos. It's Copenhagen. The city's zoo recently opened its new Elephanthus, a 50-million dollar elephant-friendly facility, as Deirdre Kennedy reports.

Listeners letters

Last week we asked listeners this question: how would you mount a successful revolution? Anchor Marco Werman goes over some of our listener's answers with The World's Alex Gallafent.