Andrea Leadsom  and Theresa May have been slected  as the two candidates to be prime minister and the choice will now go to party members. NIKLAS HALLE’N,CHRIS J RATCLIFFE/AFP/Getty Images

Britain’s next prime minister - whenever she emerges from the Conservative leadership contest - will face a pressing question: how should an elected g(...)

Bosnian general Ratko Mladic and Bosnian Serb leader Radovan Karadzic in April 1995: the term “ethnic cleansing” was coined by the latter during the Bosnian war. Photograph: Ranko Cukovic/Reuters

As the civil war in Syria moves towards a fifth year there have been calls for a Bosnian-style peace accord that would bring all players to the table,(...)

UK Independence Party (UKIP) leader Nigel Farage adjusts his headphones during a meeting of leaders of European Parliament political groups in Brussels. Prof John McCormick, of Indiana University in the US, has today said that just barely 12 per cent of eligible voters backed anti-establishment parties in May’s European elections. Photograph: Francois Lenoir/Reuters.

The European Union’s greatest challenges lie in structural problems which are likely to have a far greater impact on the process of integration than t(...)