teen is having a bad experience, that s too much. one thing that shows that we are prioritising safety above profit is the very fact that we are asking these hard questions. facebook has said it s postponed a controversial project to create instagram for kids. but it s likely that the social network will face even more scrutiny and greater regulation in the us and further abroad. republicans and democrats don t agree on much, but taking action on facebook is one thing that has broad support. james clayton, bbc news. do you remember dolly the sheep? she was the first cloned mammal to be grown from an adult cell. since then, genetics have continued to develop and a shropshire laboratory has successfully cloned a champion racehorse. rebecca wood reports. as a showjumper, arko iii was outstanding the horse that brought nick skelton out of retirement shown here competing at the athens olympics.