Seven weeks after he was released from a Siberian penal colony in a historic East-West exchange, Kara-Murza did not say how he thought Putin would leave, but argued Russia must not squander what he said would be a narrow sliver of time to establish a democratic government,

Exclusive: Key British-Russian activist tells Tom Watling that even if he and other opposition leaders are killed, others will come in their place to challenge Putin, as he thanked The Independent for

We need to learn from those past mistakes, from those past lessons, to make sure we do not repeat these failures the next time a window of opportunity for change in Russia opens, - says Russian oppositionist Vladimir Kara-Murza,