He saw a squirrel the other day in his new back yard in Derby and chased it up a tree. First time he'd ever done that. He hadn't seen squirrels, or trees, in Afghanistan. It was a big moment for ETTy, a black and white mutt that was adopted in Afghanistan in December by 1st Lt. Chris Corman of Derby and some of his Marine buddies Corman, 28, was stationed with about 20 other Marines in Mehtar Lam, halfway between Kabul and Jalalabad. For nine months, they served as an embedded training team with a unit of the Afghan National...