My nephew, who has been living in New York for quite some time, recently wrote on his Facebook page: “I almost never write about politics here, but today I was interested in one piece of news on the Internet, namely, about the naming of a square next to the embassy after Boris Nemtsov Russia in Washington. It was not the news itself that interested me, but the reaction of the Russian authorities, who offendedly promised a symmetrical response. What's the answer? For what?