Speculation rises over Russia prison swap including Paul Whelan The HillBiggest prisoner swap since the Cold War could be underway, movements suggest USA TODAYRussia May Free 20-30 Political Prisoners in Historic Exchange With West The Moscow TimesRussian-UK dissident Kara-Murza disappears from jail in latest sign a prisoner swap with West may be close ReutersRussia transfers dissident Kara-Murza and other political prisoners The Washington Post