As controversy over the measles vaccine continues to grow, and prominent politicians weigh in with their views, Assistant Professor of Government Erika Franklin Fowler writes in The Washington Post's "Monkey Cage" blog about the dangerous consequences that politicization of vaccine issues in the news media can have on public support for vaccines in general. In an article co-authored with with Sarah Gollust '01, now an assistant professor at the University of Minnesota's School of Public Health, Fowler considers the the 2009 dust-up over mammography screening recommendations, and the 2006-07 debate over whether to require girls to get the HPV vaccine. Though neither started…