A small percentage of billions is still a lot more people moving than most countries can handle — economically or socially, especially in that part of the world.

Don’t take for granted the status quo. It’s already yesterday, and the systems we’ve been depending on to tolerate and supply us with viral services haven’t been respected. What happens when the next famine hits India? What happens when South Africa has no water left? It might not be the spark on another regional conflict, but it certainly adds lots of potential for another conflict.