This is an edition of The Atlantic Daily, a newsletter that guides you through the biggest stories of the day, helps you discover new ideas, and recommends the best in culture. Sign up for it here. Twice a day, all across the country, the National Weather Service launches a fleet of latex balloons into the stratosphere to collect what’s known as “upper-air data”—detailed measurements of temperature, humidity, and pressure. Before they pop, the balloons collect information that guides the world’s