Troops in Iraq frustrated over US messages on ISIS - Obama, Cameron push for coalition against ISIS - Uncertainty over Afghan election clouds NATO summit - VIDEO: Senior aide to ISIS leader killed in Iraq, report says - ISIS using sophisticated network to attract foreign fightersSource: Troops in Iraq frustrated over US messages on ISIS - Obama, Cameron push for coalition against ISIS - Uncertainty over Afghan election clouds NATO summit - VIDEO: Senior aide to ISIS leader killed in Iraq, report says - ISIS using sophisticated network to attract foreign fighters (http://www.foxnews.com/politics/2014/09/04/frustration-and-confusion-among-us-troops-over-mixed-message-on-isis/)