The commandant and sergeant major of the Marine Corps took to Facebook last Friday afternoon, answering nearly 30 candid questions from the Marine Corps community in the space of an hour as part of his ongoing “Reawakening” effort to engage directly with enlisted Marines. According to site administrators on the official Marines Facebook page, some 900 questions and comments rolled in during the hour Gen. Jim Amos and Sgt. Maj. Mike Barrett were online. While Amos addressed a number of popular themes, such as women in combat arms roles, recruiting, and sexual assault prevention, he also revealed some surprising facts…