Get In Line

States like Iowa, Nevada, Florida, New Hampshire and South Carolina are scheduling primaries and caucuses early in the year. Josh Putnam, assistant professor at Davidson College who writes the blog Frontloading HQ, explains how influence is tied to the calendar and how the schedule determines which candidates get into the race. Plus: is widespread screening for prostate cancer warranted?; New York City public schools are falling short on required gym classes, a recent audit shows; and what we can learn about design for New York City from other cities.