Rachel Black talks to Laurie Taylor about her ethnographic account of Porto Palazzo, one of Europe's largest outdoor markets. She watched and spoke to its vendors, shoppers and passers-by to find out how a multi-ethnic market fosters a culinary culture and social life. The Open University's Sophie Watson will also be adding to the discussion. Read articles by her below. 

Also, Guy Cook analyses the language of food and food politics; from baby food labels to organic marketing. How are our choices and beliefs about what we eat influenced by the persuasive power of words? 

Thinking Allowed is on BBC Radio 4 on Wednesdays at 4.00pm and repeated on Monday mornings at 12.15am. Full transmission details, and listen again links, can be found on bbc.co.uk