NORTHERN IRAQ – On the Western side of Mosul, lies a forgotten front crucial to choking off ISIS' lifeline to Syria. Fox News recently made the eight hour trip west from Mosul to the front outside the devastated city of Sinjar and found a small outpost where a handful of men hold off near-daily attacks from ISIS fighters. One soldier manning the post was David Shumock, a 62-year-old Floridian and former U.S. Air Forces pararescueman. The American fights side-by-side with the Kurdish Peshmerga, and serves as medic and trainer to his comrades, as well. Shumock has called the dusty, makeshift,...