Six Nations: In Edinburgh with Itoje & Gregor's gamble

Chris has made it to Edinburgh to find Tom English and Andy Burke to analyse the Scotland team for the Calcutta Cup. There is no Edinburgh player in the starting XV since 1998! So, it means there is no place for Duhan van der Merwe again. Is it a gamble to leave out the record try scorer in the Calcutta Cup in the Six Nations era? Can Gregor Townsend survive another defeat, or would it be the final straw for the Scot