Why Can’t the Pentagon Kill the Islamic State’s Top Commanders?
“The United States and its coalition partners have conducted close to 800 airstrikes against Islamic State targets in Iraq and Syria, hitting command-and-control facilities, training compounds, armored vehicles, oil refineries, supply trucks, artillery pieces, and bunkers. But there’s a notable absence from the target list: the Islamic State’s top leaders. “
Source: Why Can’t the Pentagon Kill the Islamic State’s Top Commanders?