Visit Pajamas.Last week, in Quetta, Pakistan, a homicide bomber attacked a prominent Shiite bank manager—and when his friends and relatives followed him to the hospital emergency room, another bomber attacked them, killing eight. The police assume that this was a “sectarian” (Muslim Sunni vs Muslim Shia) attack. This is nothing new; this is the template, the pattern. For example, also in 2009, in Dera Ismail Khan, Pakistan, a Shiite Muslim leader was shot down; the next day, at his funeral, a homicide bomber killed himself and 28 mourners. Again, the police described this as “sectarian” violence. In 2008, in...