Program Note: Watch "American Morning" all week for more reports from Dr. Gupta in Afghanistan. And don't miss 'Inside the Battle Zone' tonight on "AC360," 10 p.m. ET. Think you know what it's like inside a hospital emergency room? You've never seen anything like this. This one's busier, grittier – possibly the most intense ER … Continue reading War zone ER: Soldiers and children in surgery