Will the Government Monitor Social Media for Snowden-Like Risks?

The U.S. government is studying whether it can scour social-media websites for clues about potential risks from workers such as Edward Snowden and the Washington Navy Yard shooter. Snowden, a former National Security Agency contractor who leaked government secrets, and Aaron Alexis, who shot and killed 12 people, had security clearances. The cases have exposed a flawed system of vetting such employees, some of whom are slipping through the cracks. The pilot studies, which looked at the feasibili...