By examining history through complex mathematics, the 'collapsologist' aims to show - somewhat persuasively - that there are cyclical trends in the narratives of human hope and failure ...
It's Zelenskiy who is setting the pace diplomatically and strategically. The US must end the prevaricating that may have needlessly prolonged the war ...
The incumbent is in a run-off against his challenger Kemal Kilicdaroglu after failing to secure 50% of the vote in the first round. The candidates offer contrasting visions for the future of the country.