Adam Smith is blunt and to the point when I call him to suggest an interview. I want to talk to him about the Real Junk Food Project, which he founded, and suggest doing it at the cafe he set up in Leeds which uses waste food and operates on a pay-as-you-feel basis. “Which cafe? There are 30 of them. And that’s just in Leeds.” Bluntness may well be Smith’s defining characteristic. A chef by…