Jacob Sullum on Ebola and the CDC's Dangerous Mission Drift



Before Tom Frieden became director of the U.S. Centers for Disease Control and Prevention in 2009, his two main nemeses were tuberculosis and smoking. Although both are commonly described as threats to "public health," says Jacob Sullum, they differ in ways that may help explain the CDC's stumbling, alarmingly amateurish response to Ebola in the United States.