Look who's in Havana. French President François Hollande, accompanied by an armada of business executives, has become the first European leader to visit Cuba since 1986. Hollande has got in ahead of his neighbours, and the Americans who recently embarked on an historic thaw with the Castro regime that was half a century in the making. How fast are events changing in the land of the Castros, and what place for the French once the US genuinely moves in?
