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With a new trial of genetically-modified potatoes underway in a field in Norfolk, 'Call You & Yours' asks: what's wrong with GM crops? The new government is making positive noises about them but opposition here means they have never been commercially cultivated in the UK. Yet in America GM crops are widespread and most meals consumed in the States contain some genetically modified content. Those in favour of the technology say it's needed now more than ever before - with a world food crisis, they argue, GM crops could boost production. But those opposed fear an environmental catastrophe. So what do you think? Would consuming GM food worry you? Is it something you even think about? Call You & Yours to have your say. Winifred Robinson is in the chair today. You can email us anytime: youandyours@bbc.co.uk. Or call 03700 100 444 (lines open at 10am on Tuesday 15th June)