Who is John Swinney, Scotland’s new first minister after Humza Yousaf quit?

Read MoreMild-mannered 60-year-old Swinney, who joined the SNP at 15, is the party’s third leader in 14 months.Mild-mannered 60-year-old Swinney, who joined the SNP at 15, is the party’s third leader in 14 months.