Farmers in the UK protested against pro-Brexit rules and trade deals on Monday, claiming they are hitting livelihoods and food security hard. To the sound of car horns, Save British Farming and Fairness for Farmers drove tractors slow-motion through south London towards Parliament Square, where supporters awaited. Displaying signs that read “no farmers, no food, no future”, the protesters called on the government to end trade deals they say allow imports of food produced to standards that would be illegal in the UK and undercut local farmers. Asked by a BBC News reporter: “The government says …