Two world leaders, in two key elections, 10,000 km apart: One is a political novice, whose election last Sunday threatens to undo a historic and hard won peace deal. The other has been criticised for authoritarian tendencies after 15 years in charge of his country. Tom Hennigan reports from Colombia where Iván Duque, the conservative political newcomer, was elected as the country's president last Sunday. Meanwhile in Turkey, Recep Tayyip Erdogan, leader of the Justice and Development Party (AKP), is running for the presidency again this weekend. Stephen Starr has the latest from there.