Design trends: 'Mocha mousse' makes its move

I remember the line. It ran diagonal to the grain of the library’s hardwood floor. It escapes me whether the line was black paint or black electrical tape back in the ’80s and ’90s, but it’s tape today—scuffed and trodden upon, as though it were just some line to be stepped on that didn’t matter very much. Which it is. Or was, anyway. Donald Trump, the forty-seventh president of the United States of America, has called the border between Canada and the United States “an artificially drawn line.” In this, he is aligned with my eight-year-old self standing inside the Haskell Free...