Richard Leonard would be putting his party first if he stood down as Scottish leader.Lord Foulkes said Scottish Labour needed “credible leadership” to take on the SNP but claimed Leonard was not breaking through with voters.He added that deputy Jackie Baillie could take over on an acting basis for the Holyrood election.Keir Starmer has seen his personal poll ratings soar since becoming UK Labour leader earlier this year.However Leonard, a left winger who has been in post for nearly three years,