Stephen Ferry is a freelance documentary photographer based in New York City and Bogotá, Colombia. Ferry's work has received numerous prizes and honors, including two World Press photo awards. In more than 20 years of international travel, Ferry has concentrated on long-term reportage on issues of historic change and human rights. His 1999 book, I Am Rich Potosí: The Mountain that Eats Men (Monacelli Press), documented the lives of silver miners in Potosí, Bolivia, over an eight-year period. Since 2000, Ferry has focused his work on Colombia, carrying out assignments for GEO, National Geographic, Time, Newsweek, U.S. News & World Report, and The New York Times. He is currently based in Bogotá and is dedicated to long-term coverage of Colombia's civil war. In this Q&A we discuss his image, shown here, taken January 7 at a campaign stop in Rochester, New Hampshire.