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

James Meadow, who studies humans’ personal microbial clouds: “In my office, when I walk across the room, I’m carrying behind me an invisible train of air. On a microscopic level, it might look something like an 18-wheeler going down a dusty road.”

Joel Bach, co-producer of Years of Living Dangerously: “They turn on the TV, they see Matt Damon driving down the highway … and hopefully they get sucked in and before they know it they’re watching a documentary.”

Christopher Hale, executive director of Catholics in Alliance for the Common Good: “The next person who tells me Pope Francis is a Democrat—I’m going to punch them.”

(Previous quotes from our sources here.)