Editor’s Note: This article previously appeared in a different format as part of The Atlantic’s Notes section, retired in 2021.

Here are the best quotes we heard from our sources today. (Click through to read the full stories.)

Rachel Barr, a developmental psychologist at Georgetown University: “It turns out that babies are really bad with phones.”

H. Luke Shaefer, coauthor of the new book $2.00 a Day: Living on Almost Nothing in America: “There’s sort of a constant, perpetual state of crisis. … People spend a significant amount of their time trying to—it’s really work—trying to generate that small amount of cash.”

Roger Smallbeck, a retired fire chief in Chanhassen, Minnesota, who received an 80-pound piece of  steel from the Twin Towers: “I had it sitting on the table down in the meeting room [at the fire station] and I had a big towel draped over it. I said, ‘Here’s a piece of the World Trade Center,’ and pulled the cover off it.”