Author Louise Penny, right, speaks onstage with CBS correspondent Martha Teichner at the Haskell Opera House on tour for her new book, The Black Wolf. The Haskell Free Library and Opera House was ...

For more than 100 years, the Haskell Free Library & Opera House has been a symbol of friendship and unity between the U.S. and Canada. Opened in the early 1900s, the building straddles Derby Line, Vt.

A wealthy widow built a library and opera house on the border between Quebec and Vermont, a symbol of binational friendship. Now U.S. officials are restricting access to Canadians. By Norimitsu Onishi ...