Russian President Vladimir Putin said he had read Volodymyr Zelensky’s open letter and responded to remarks about his age and years in power

The letter lays out Putin's increasingly apparent vulnerabilities, Ukraine's growing strength, and the case for an immediate reopening of peace negotiations.

Ukraine's Volodymyr Zelensky proposed a face-to-face meeting with Vladimir Putin in a rare open letter to the Russian leader Thursday, shortly after the Kremlin chief had conceded…