EUAN MCCOLM: Swinney lacks the backbone to say NO when Greens come knocking with outrageous demands

John Swinney's greatest weakness as a politician is his dullness. He's a low-energy leader, short on charisma. Lacking the roguish cockiness and alpha presence of the late Alex Salmond or the easy connection with voters enjoyed by Nicola Sturgeon, Mr Swinney is one of life's plodders.