Zolan Kanno-Youngs, a White House correspondent, describes how President Trump’s latest immigration restrictions, after the shooting of two National Guard members by a man whom the authorities described as an Afghan national, affect a community that traditionally has been considered an exceptional case.

Recycling lead for U.S. car batteries is poisoning children — and we know because we tested them. Will Fitzgibbon, a reporter at The Examination, describes how children in Nigeria developed lead levels associated with lifelong brain damage, and how factory workers told us they were coughing up black dust.