With the presidential election looming in the key East African economy of Kenya, the issue of corruption looks to be high on the political agenda. It was of course a key cornerstone of Donald Trump's US presidential election campaign, where he pledged to "drain the swamp" and rid Washington of corruption, so how bigger factor could it be in Kenya's presidential race? Vivienne Nunis reports from Nairobi. It's been described as the World's "forgotten war," yet the bloodshed in Yemen shows no signs of ceasing. Our security correspondent Frank Gardner reports from the Saudi Yemen border. Chief executive pay - it's a topic which regularly sees temperatures run high, and governments scratch their heads about how to control the gap between the highest and lowest earners. But now the US city of Portland in Oregon thinks it might have come up with an answer. The New York Times' Gretchen Morgenson tells us about the city's controversial new tax. The former British Prime Minister David Cameron says it cost him his job, but what's behind the rise in political populism across the globe? Our North America editor Jon Sopel takes a look. And, could there be a spy in your midst under the tree this Christmas? We'll hear about concerns that so-called "smart toys" are recording what our children say,and reporting it back to the software companies. The BBC's Roger Hearing will be joined throughout the programme by entrepreneur and author of The Business Secrets of Trappist Monks August Turak in Raleigh, North Carolina. And from Hong Kong by Andrew Peaple, Deputy Asia Finance editor for the Wall Street Journal. (Picture: Highrise buildings of downtown Nairobi are seen from Uhuru Park in Nairobi, Kenya. Credit: EPA/DAI KUROKAWA)