Hoover fellow Russell Roberts is using rap music to make the dismal science far less dismal. By Charles Lindsey.

When a large group of kids get their shots, “herd immunity” protects them. But a new herd mentality—misguided fears about vaccines—is chipping away at this shield. By Henry I. Miller and Gilbert Ross.

Mike Petrilli, a research fellow at the Hoover Institution, where he specializes in education policy studies, discusses how educational systems focus on the low achievers to the detriment of the high achievers: “We got rid of tracked classes and the high achievers are bored and unchallenged.” Petrilli notes that schools should go back to tracking for core academic classes and give students the opportunity to move up.