Alex Lemons, a former Marine sergeant who deployed to Iraq three times – including once as scout sniper – reflects on the video of four Marines urinating on the corpses of three dead Taliban in Afghanistan: This is all very painful to me on so many different levels. Back in 2004 one of my fellow snipers shot someone in a mosque in Fallujah. You will probably remember it getting on TV. It was very confusing. I have tried stopping things like this before or I’ve been a coward and let them happen. In my eyes, there are several discomforting or...