Boris Johnson to stay because of Ukraine?

A good opinion piece on why, exactly, Boris Johnson must go:

https://www.theguardian.com/commentisfree/2022/apr/15/boris-johnson-ukraine-war-prime-minister

Start with the first of the explanations offered as to why the criminal sanction imposed by the police on Johnson this week – making him the first prime minister ever found to have broken the law in office – should not see his immediate removal from Downing Street: that the lockdown birthday party that prompted a fixed-penalty notice was brief, lasting “less than 10 minutes.”