Pork barrelling: what is it and why is it a problem?

You might have heard politicians accusing each other of pork barrelling but do you know what that actually means? Matilda Boseley explains what all this ham is about in News glossary – a video series exploring terms that are often used in news but rarely explained. Feel as though you should understand something but are too embarrassed to ask? We have you covered. Email us at australia.social@theguardian.com to suggest a term you'd like explained.