The National Security Agency could be given expansive new surveillance powers under a proposed change to the FISA 702 bill — slated for a vote on April 19.
Because the Kremlin would protect him and help him broadcast his message. It harms the US government, so the Kremlin sees providing Snowden with protection and a platform as an absolute win.
Most other countries that are remotely aligned with the US might be pressured to keep Snowden quiet.