No Child Left Untableted

[Commentary] Joel Klein, the chief executive of Amplify and an executive vice president of News Corporation, says education is “ripe for disruption.” Entrepreneurs sound boldly unconventional when they talk about disrupting an industry, but they also sound as if they’re willing to break something in order to fix it — or just to profit from it. Klein, who was chancellor of New York City’s public schools from 2002 to 2011, begins from the premise that our schools are already broken.