For several months, messages have multiplied on social networks claiming that Brigitte Macron, born as Brigitte Trogneux, is a transgender woman whose first name at birth was Jean-Michel.
The Brics emerging-market powers are shaking up economic governance but remain far from dismantling the post-war system dominated by the West.
The pledges trip easily off the tongues of leaders on summit occasions, but experts fear African nations may forever struggle to be truly heard.