Page last updated at 17:02 GMT, Thursday, 22 May 2008 18:02 UK Italy says it is to restart its nuclear energy programme, more than 20 years after it was scrapped by referendum in the wake of the Chernobyl disaster. Since then Italy has become the world's biggest net importer of electricity. Industry Minister Claudia Scajola said building "a group of new-generation nuclear power stations" would red