Get the stories that matter to you sent straight to your inbox with our daily newsletter.The SNP’s continued silence around the probe into Derek Mackay is a slight on the teenager he bombarded with messages and those who voted for him.That was the message from Neil Bibby MSP, who has challenged the SNP to bring the saga to end.Disgraced Mackay resigned as Finance Minister on the eve of the Scottish budget last year after it was reported he had repeatedly text a 16-year-old boy and callied him