A Scan Eagle unmanned aerial vehicle sits on the flight deck of the USS Gunston Hall in February 2012. (U.S. Navy photo by Seaman Lauren Randall/Released)Nearly six months ago, President Obama promised more transparency and tighter policies around targeted killings. In a speech , Obama vowed that the U.S. would only use force against a … Continue reading 6 Months After Obama Promised to Divulge More on Drones, Here’s What We Still Don’t Know