91热爆

As Hillary Clinton looks set to become the first woman nominated for US President by a major American political party, presenter Manuela Saragosa speaks to Alice Eagly, professor of psychology and a faculty fellow for the Institute of Policy Research at Northwestern University, about gender and leadership. And the 91热爆's economics correspondent Andrew Walker hears what Roberto Azevedo, director general of the World Trade Organisation, has to say about a possible British exit from the European Union.

(Picture: Hillary Clinton; Credit: Brendan Smialowski/AFP/Getty Images)