[Subtitle]"After Northeast Philly’s Michael Strange was killed in Afghanistan in 2011, his father, Charles Strange, went on a quest for answers. It’s a journey that’s brought him face-to-face with Congress, the military bureaucracy, the NSA, a lawyer who believes Barack Obama is a Muslim, and the very dark heart of America in 2014." ***** "They had a whole long list of concerns, but most of them can be boiled down to one word: vulnerability. In reading about how the helicopter went in and went down, the families saw how vulnerable their loved ones had been. They were vulnerable, it seemed,...