Interesting thoughts on meritocracy and lead

Matthew Yglesias on meritocracy and lead:

“Obviously the right response to lead and other atmospheric toxins is to clean them up. But the fact of the matter is that we’re not going to eliminate lead from the build environment next year, and we’re certainly not going to go back in time to the late 1960s and clean up the environment that today’s 45-year-olds grew up in. And though lead is very important, it’s also obviously not the only source of relative cognitive disadvantage out there (consid...