Ten years ago Friday , Anna Politkovskaya, Russia’s most famous journalist, was murdered in Moscow. Her death serves as a window to Vladimir Putin, the Kremlin autocrat whom many Americans are looking at for the first time — his name now in U.S. election headlines as a result of alleged hacking of Democratic National Committee servers by Russian actors and Republican presidential nominee Donald Trump’s praise of Putin’s strongman rule. ... Politkovskaya understood that there was a connection between Putin’s sudden rise to power in 1999 by inflaming anti-Chechen passions and the horrible violence that followed. In her book “A...