VIDEO AT LINKAt a petite 5’3’’, Sage Santangelo may not look like a combat fighter at first glance. But the female second lieutenant has never let that hold her back from pursuing her dream of becoming an infantry officer in the Marine Corps. Growing up, Santangelo found she was always able to keep up with the guys and enjoyed playing hockey on all boys’ teams. But when she joined the Marines, Santangelo found the playing field changed; she was segregated into female-only training units and as a woman, was relegated to less strenuous physical training than her male counterparts. And...