SoS opinion poll analysis : compare and contrast

According to Tom Peterkin in Scotland on Sunday, Labour's opinion poll leads of six and five points over the SNP are, in spite of having just been roughly halved, "solid".

But he also reassures us twice that Alex Salmond's seventeen-point lead over Iain Gray as the best First Minister is "not irretrievable" and "not insurmountable".

Answers on a postcard...