“If we’re smart enough to figure out the cause of something, we can intervene to change the effects.” William Foege won the 2001 Lasker Award for Public Service for his courageous leadership in improving worldwide public health. Here, Foege is interviewed by Allan Rosenfield of Columbia University. Foege talks about working to eradicate smallpox in a country torn by civil war, reveals his moment of greatest pride as the director of the CDC, and shares a story about introducing a new strain of corn in Africa. Read about the 2001 Mary Woodard Lasker Public Service Award: http://ow.ly/9vIQ50JhLMg)