Putin’s Bid to Extend Rule Is Approved by Russia’s Parliament

MOSCOW—Russia’s parliament gave its final seal of approval to constitutional changes potentially allowing President Vladimir Putin to stay in power for years to come, removing a key source of uncertainty about Russia’s political future and likely ensuring that Moscow will continue to challenge the U.S. on the world stage.

The State Duma, the lower house of parliament, Wednesday approved amendments to the law that would allow Mr. Putin to serve another two six-year terms until 2036. According to term limits currently in force,...