New York cabbies, drones and Kevin Costner

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New York's cabbies will happily give you an earful about the globe's most pressing issues. Also, the US military's use of drones in places such as Pakistan has been controversial, but some drones aren't just used for air strikes. And you'll hear why American actor Kevin Costner loves shooting films in the Romanian countryside. (Image: A New York City taxicab drives through Times Square in New York. Credit: REUTERS/Brendan McDermid)