In his U.S. Capitol office, Rep. Jason Crow keeps several war mementos. Sitting on a shelf are his military identification tags, the tailfins of a spent mortar and a piece of shrapnel stopped by his body armor.
Two decades ago, Crow was a 24-year-old platoon leader in the American invasion of Iraq. Platoon members carried gas masks and gear to wear over their uniforms to protect them from the chemical weapons the U.S. believed — wrongly — that Iraqi forces might use against them.
