After spending last week immersed in Wall Street’s 1929 crash, I’m now rewinding three years and shifting continents to meet a group of Russian émigrés in Berlin. One of my literary through lines this year is to explore books written or set in 1926. I started with The Sun Also Rises by Ernest Hemingway, followed by Jazz by Toni Morrison. My latest pick is Mary, Vladimir Nabokov’s first novel. It’s a beautifully written and poignant book about a young man consumed with memori