and from cows to coding. we meet the woman with a remarkable career that began on a farm in rural illinois and has taken her all the way to the shining lights of silicon valley. and with polls now open in the uk general election, we promise a politics free programme. so let us know what you make of the stories we re covering today. get in touch in the usual way. use the hashtag #bbcbizlive. hello and welcome to business live. when we say politics free, we do refer to the uk election and not the politicking going on at the moment in the middle east. we start in the gulf state of qatar, where concerns are growing about the economic fallout after neighbouring arab states cut off diplomatic and trade ties over its alleged support of terrorist groups, something doha denies. late wednesday, top credit rating agency standard and poors cut qatar s credit rating, with a warning it could be cut further still. its stock market is down almost 10% in the last three days, and its currency