Among the pages of captioned color photographs from my 2003 deployment is one that sticks out.  There’s a woman in uniform, not unlike every other picture I have of persons in Iraq.  But then there’s this guy.  He has no BDU t-shirt or DCU pants; he’s in a white cotton button up with rolled sleeves and blue jeans. He’s sitting on a dusty cot next to our tent, his arms out, his lips pursed mid-sentence, and he’s smiling. He’s holding a shawarma wrapped in plastic he’s brought from…