Cameron warns Brexit would drive up food prices

By William James LONDON (Reuters) - British Prime Minister David Cameron warned voters on Sunday that they would face higher grocery bills if the country decides to leave the European Union at a June 23 referendum, citing a potential drop in the value of sterling. Cameron is leading the campaign to keep Britain inside the European Union ahead of the referendum, the outcome of which will have far-reaching consequences for the country's economy, its role in world trade and its global diplomatic st