After the threat of Navalny's death: Biden is running out of leverage against Putin. Russia has already been hit with numerous sanctions - how much are they hurting Putin's economy? The effectiveness of such an approach is questioned since the USA had already largely exhausted its range of sanctions after Russia invaded Ukraine two years ago.

“We have taken so many measures that it would be hard to find any, but we will tighten them up — and we should,” Jim Risch, an Idaho senator said.