As a college student in the 1970s, John Brennan, President Obama’s nominee for CIA director, traveled in Indonesia where—he recalled in a speech in New York in 2010—“despite my long hair, my earring and my obvious American appearance, I was welcomed throughout that country, in a way that is a reflection of the tremendous warmth of Islamic cultures and societies.” Brennan’s Feb. 13, 2010 address to a meeting at the Islamic Center at New York University, facilitated by the Islamic Society of North America (ISNA), provided an insight into his views on Islam, a faith which he said during the...