Pressure mounts on Jeff Sessions amid claim he discussed campaign with Russian ambassador to the US 

Pressure on Jeff Sessions, the under fire US Attorney General mounted amid claims that, despite his denials,  he discussed the election campaign last year with the Russian ambassador to Washington. Within hours or Donald Trump's press secretary, Sean Spicer, resigning, the position of another key member of his administration was looking increasingly vulnerable. The Washington Post reported that the US intelligence agencies intercepted communications between Sergey Kislyak and Moscow, detail