On April 23, the United States government announced that a military drone strike against terrorist suspects in Pakistan had accidentally killed two Western hostages—in addition to its intended targets. Drones—or Unmanned Aerial Vehicles—are the new battlefield equalizer, but one with profound and unprecedented moral implications. In an eerie art-imitates-life coincidence, that is also the backdrop for Grounded, a one-woman show starring Anne Hathaway at The Public Theater through May 24.