Finally, a sobering article by Sue Shellenbarger for the Wall Street Journal, in which she summarizes a recent Stanford University Study. She claims Preteens and teens may appear dazzlingly fluent, flitting among social-media sites, uploading selfies and texting friends. But they’re often clueless about evaluating the accuracy and trustworthiness of what they find.” On the positive side, Ms Shellenbarger says that “A free Stanford social-studies curriculum that teaches students to judge the trustworthiness of historical sources has been downloaded 3.5 million times.” Grounds for optimism, indeed.