Tombo Jones, left, and Robert Briggs set up the ground-control station before testing a drone for its ability to fly long distances on May 30 at Virginia Tech. Foto: Photo by Norm Shafer for The Washington Post

Making the case for more drones

BLACKSBURG, Va. - They considered how well everyone slept the night before. They considered the chances a military jet might scream by on a training mission. They considered the farmer...