Why was Flight MH17 over dangerous airspace?

Available for over a year

With many unanswered questions about the downed Malaysian passenger jet in Ukraine, we ask what a passenger aircraft was doing flying over a war zone. Also the use of ethanol as a fuel in Brazil is declining - because of falling petrol prices. We hear how it's affecting the sugar cane industry there. We're in Ireland, where the government wants to outlaw branded cigarette packaging in an attempt to cut smoking. And Mitra Kalita of Quartz magazine in New York and Mark Gilbert of Bloomberg in London discuss the week's big stories - including the downed Malaysian jet, Rupert Murdoch's audacious attempt to buy US media giant Time Warner and the decision by the Church of England to let women become bishops.