But partitioning and performing and projecting are no longer working. The borders and walls don't protect us from rising temperatures or surging viruses or raging wars. And the walls around ourselves and our kids won't hold, either. Because we are porous and connected, as so many doppelganger stories have attempted to teach us.

QUESTION: What does the porousness metaphor imply for individual selfhood and boundaries in daily life?

Naomi Klein, Doppelganger, loc. 1034