The Harmony Charter school opus in today’s Times is a great read. It’s very long (over 4,000 words), starts on the front page, and covers two full pages on the inside of the paper. But its author, Stephanie Saul, is a crack “investigative reporter” and a 1995 Pulitzer winner—not an education writer. The headline is a grabber: “Charter Schools Tied to Turkey Grow in Texas,” as is the subhead: “Some Founders Belong to Islamic Movement.”...