There’s a moment in Samatha Power’s memoir, An Education of an Idealist, in which her infant son, tired of sharing his UN ambassador mother with geopolitical concerns, wonders when it’s going to be “Declan, Declan, Declan instead of Putin, Putin, Putin”. A decade later and, while the Russian president is an even more destructive presence on the world stage, it seems like a certain child diplomacy has won the day.