The Scottish Labour leader had been campaigning to end almost 20 years of SNP rule in Scotland. When Sir Keir Starmer was elected to Downing Street less than two years ago, it was the first part of Anas Sarwar’s plan to return his party to power in Scotland. He described change in Scotland – where the SNP have been in power for almost 20 years – as being a “two-part process” with the first part being for Labour to win power at Westminster. The 2…