麻豆约拍

South Africa's former leader faces charges linked to an arms deal before he took office. The 麻豆约拍's Andrew Harding explains the background behind the allegations and what happens next.

Russia votes in presidential elections this weekend, with Vladimir Putin expected to secure a fourth term. We ask Christopher Granville from TS Lombard about the economic and political factors behind his success.

How much sleep do you need to be successful? Vicki Culpin, the author of 'The Business of Sleep' says less isn't always more.

We also review this week's most important stories with Richard Cockett from the Economist Intelligence Unit in London and Jessica Dye from the Financial Times in New York.

Picture: South African political opposition activists gather in Pretoria in April 2017 to protest against then president Jacob Zuma (Credit: Brent Stirton/Getty Images).