The mass murder in Afghanistan was predictable. Twice in the past three weeks, I published that it was coming. Why was I able to write this with sad confidence? I’ve spent more time with combat troops in these wars than any other writer: about four years in total in country, and three with combat troops. About 200 coalition members have been killed or wounded from insider attacks. Afghan President Hamid Karzai is tantamount to being Taliban and has not bothered to apologize. Instead, Karzai whips up anti-U.S. fervor at every opportunity. Twice, Karzai has threatened to leave politics and join...