NEWYou can now listen to Fox News articles! I led a platoon of infantrymen in the 10th Mountain Division in Bermel, a rugged district in Afghanistan’s Paktika province on the Pakistan border. Our mission was the one American infantry carried for generations: close with and destroy the enemy.We protected the Afghan people by doing exactly that: waging war against the enemy who would have harmed them. Their safety was the result. War was the job.Every soldier in my platoon knew it. In combat, the fog of war settles over everything. Plans break. Radios fail. Young leaders make life-or-death decisions with…