Humza Yousaf has a reputation for being a bit of a crowd-pleaser and, true to form, everyone seemed inordinately happy at his installation as SNP leader – especially the opposition parties. The Scottish Tory leader Douglas Ross purred like an overstuffed tabby cat. Yousaf had just scraped home by 52 to 48 per cent – a less than wholehearted endorsement from the SNP membership after a leadership election in which independence somehow got lost in the hustings. Sir