Aviva Bechky writes: “For more than a century, Canadians have used nothing but a narrow sidewalk to cross their national border into Vermont and enter the Haskell Free Library and Opera House. Now, however, the US Department of Homeland Security has announced plans to limit access to the library from the Canadian side of the border. After [October 1], anyone in Canada who wants to use the library’s main entrance must cross at an approved checkpoint or use an entrance on the Canadian side of the library that is about to undergo renovations.”