HOME / Victory Lab : The new science of winning campaigns. Knock, Knock In Mexico, polling is done the old-fashioned way: In person. Could this be the future of polling in post-land-line America? By Sasha Issenberg|Posted Friday, June 29, 2012, at 12:02 PM Tweet Tweet MYSLATE Save this story. Follow all Victory Lab articles. Follow the News and Politics section. Follow stories by Sasha Issenberg. MySlate is a new tool that lets you track your favorite parts of Slate. You can follow authors and sections, track comment threads you're interested in, and more. SLATE'S MOST VIRAL There Is Nothing Miraculous About a Tornado, Wolf Blitzer A Huge Discovery About Prime Numbers—and What It Means for the Future of Math Giving Poor Kids Computers Changes Nothing Sasha Issenberg is the author of The Victory Lab about the new science of political campaigns. Click here to load comments.