Sunni Islamic extremists are making inroads in the southern Pakistani province of Sindh. The New York Times, in a major feature, reports that In recent months, Hindu temples have been defaced, Shiite Muslims have been assaulted and Christians have been charged with blasphemy. The Sunni supremacist ideology propagated by Pakistani sectarian groups is similar to the one that is proving so potent in the Middle East, where the Islamic State in Iraq and Syria, or ISIS, is flourishing. More