2014 Winter Olympics

Russian opposition struggles 2 years after Nemtsov killing

Two years after he was killed near the Kremlin, Boris Nemtsov can still attract crowds of supporters. But his death left in tatters Russia's opposition movement, which is struggling with infighting and seems unable to rally behind one unifying figure.

In the largest Russian opposition protest in months, thousands marched Sunday across Moscow to commemorate Nemtsov's life, demand a thorough investigation of his death and to denounce President Vladimir Putin. The procession went to the bridge where Nemtsov was gunned down on Feb. 27, 2015. People also took to the streets in other cities, including St. Petersburg and Nizhny Novgorod, his hometown.

Once a deputy prime minister...