Overturning Teacher Tenure

A state judge ruled California's teacher tenure program unconstitutional, leaving the practice in other states, like New York and New Jersey, vulnerable to similar suits. Diane Ravitch, research professor of education at New York University and author of Reign of Error: The Hoax of the Privatization Movement and the Danger to America's Public Schools  (Knopf, 2013), defends tenure for public school teachers.