Tucker Carlson was involved in a Russian propaganda coup in the middle of the election campaign. The American right considers Putin an ally, one who shares its values.

The West appears powerless against Putin's network of influence. Russia maintains close ties to international right-wing extremists, including the German NPD. The danger that US Republicans will hand Ukraine over to Russia is – also – a result of decades of Russian efforts, writes Peter Bergen, a Russian-born American journalist and author of the book "The New Cold War"