photo: US militaryThe question of how the Islamic State funds its sprawling caliphate has been discussed in the past: we first broke down the primary driver of ISIS revenue well over a year ago, in September 2014, when we explained that "ISIS uses oil wealth to help finance its terror operations." Daily Signal's Kelsey Harkness explained the breakdown as follows: According to the Iraq Energy Institute, an independent, nonprofit policy organization focused on Iraq’s energy sector, the army of...
 
														














