Chris Dillow estimates that there are more heroin users in Glasgow North East than Tory voters*. For that matter, there are probably four heroin users in Springburn for every plucky citizen prepared to vote Liberal Democrat.
I suspect Labour won’t want to use this factoid for fear it foster the impression that heroin use is much more widespread than it really is.
*In, admittedly, a by-election with a 33% turnout.

Get Britain's best politics newsletters
Register to get The Spectator's insight and opinion straight to your inbox. You can then read two free articles each week.
Already a subscriber? Log in
Comments
Join the debate for just $5 for 3 months
Be part of the conversation with other Spectator readers by getting your first three months for $5.
UNLOCK ACCESS Just $5 for 3 monthsAlready a subscriber? Log in