The first political demonstration I ever attended was against the Iraq War. I was in middle school when the invasion started, and I still have trouble wrapping my head around its costs. The medical journal Lancet estimated in 2006 that this war caused the deaths of 655,000 Iraqis. Around 4,500 U.S. service members were also killed in Iraq; more than 32,000 were wounded. And that only accounts for physical injuries. The mental injuries were also tragic: Four times more veterans from Iraq have