The world-famous primatologist discusses her new book, which is back on shelves after some controversy.
There are protests today in Pakistan over those controversial U.S. drone strikes in the tribal areas on the border with Afghanistan. The U.S. says the drones are targeting militants, but critics say they are also killing hundreds of civilians. Pakistan says the drone attacks are illegal, counter-productive and a violation of its sovereignty. The BBC’s Orla Guerin reports.