British-Russian relations have suffered greatly in recent years, with a series of incidents souring relations: the Alexander Litvinenko scandal, the British Council restrictions, diplomatic exits and various extradition rows.  Foreign Secretary David Milliband will visit Russia next week, the first visit by a British Foreign Secretary since relations hit their rocky low.  In an optimistic piece in the Times, the former British ambassador to Moscow, Tony Brenton, sees 'common ground' between Russia and Great Britain, and offers five suggestions for how the two sides can improve relations - without Britain shying away from tackling Russia on human rights.First, we should remain true to our own liberal principles. Russia is a signatory ...