Russia: Runoffs in Four Regional Races Reveal the Kremlin's Vulnerability

Russian President Vladimir Putin, now in his fourth and perhaps final term, faced a key political test in regional elections Sept. 9. And though the ruling party, United Russia, won most of the races -- which included gubernatorial elections in 22 regions, legislative elections in 16 regions and a mayoral election in Moscow -- it faced stiffer competition and more unrest than usual....