If Vladimir Putin had a shred of humanity in his cold heart, he would stop his troops from doing the same thing that the Nazis did to his family in the Siege of Leningrad, one of the longest and deadliest battles of World War II. On Jan. 27, as the Russian army was massing along the borders of Ukraine, Putin visited the St. Petersburg’s Piskaryovskoye Memorial Cemetery to honor the defenders of the city and the victims of the siege, Russian news agency TASS reported at the time. It was the 78th anniversary of the lifting of the siege by...