Richard Leonard has hired a top spin doctor to help turn around his flagging fortunes.Andy Whitaker, who was head of strategic communications for former shadow chancellor John McDonnell, starts in post on Wednesday.Leonard has been in the job for nearly three years, but has suffered devastating defeats at the ballot box.Scottish Labour slumped to fifth at the European election and lost six of their seven seats at the general election.Get all the top Scottish politics news sent straight to your