A trip to the mall in Russia is a different experience today than it was just a few short months ago. “When I had my first child, there was all this choice. Mothercare, Zara, you name it,” said Evgenia Marsheva, a 33-year-old architect. But when she went shopping in Moscow this month for her newborn, many of those large retail brands had been shuttered. “Now, I can only find very cheap or extremely expensive Russian products. I was brought up with tales of the limited choices that my parents had during the Soviet Union. I never thought that would come...