A U.S. Navy F/A-18E Super Hornet flies a combat sortie over Iraq July 2, 2015. (Photo via ) By Dave DeCamp / Antiwar.com A US drone strike in Baghdad killed a senior militia leader on Thursday, marking another significant escalation that could lead to a full-blown regional war. The strike killed Mushtaq Talib al-Saidi, also known as Abu Taqwa, a deputy commander of the Popular Mobilization Forces