AP Photo

This week, President Obama nominated his homeland security adviser and deputy national security adviser for counterterrorism, John Brennan, to become the next director of the Central Intelligence Agency. In the coming weeks, a Senate committee will hold hearings, followed by a full Senate vote, that will likely confirm the appointment. The Senate must seize this narrow window of opportunity to publicly discuss, for the first time, the Obama administration’s policy of targeted killings by drones.