NEWYou can now listen to Fox News articles! BOULDER, Colo. – An observant Jewish couple described the horror of finding out that their neighbor, whose wife recently knocked on their door with a housewarming gift, was suspected of firebombing a peaceful pro-Israel demonstration in the heart of Boulder.The Costello family had barely begun unpacking boxes in their new Colorado Springs home when the FBI showed up at their doorstep and explained a neighbor, illegal Egyptian immigrant Mohamed Sabry Soliman, 45, was arrested for allegedly injuring 12 people...