ISIS: From Militia to State Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email A Syrian man carries a girl on a street covered with dust following a air strike by government forces in the northern city of Aleppo on July 15, 2014. ( BARAA AL-HALABI/AFP / Getty ) Hosted by Todd Zwillich Produced by PRI and WNYC