For decades, President Vladimir Putin turned to one loyal aide for some of his most delicate assignments. These days, Dmitry N. Kozak, 66, is not responsible for much at all, with many of his powers having shifted to another

Dmitry Kozak, a deputy head of Russian President Vladimir Putin's administration, has recently urged Putin to stop the war in Ukraine and begin peace talks, the New York Times reported on Aug. 10, citing its undisclosed sources.

Vladimir Putin's war machine was dealt a major blow when a Russian oil refinery was targeted in an overnight strike by Ukrainian forces on day 42 of the war in Ukraine