Justin Rowlatt visits Las Vegas and learns why America's casino capital has suffered more than most from the economic crisis. Sarah Birke, reporting from the border between Syria and Turkey, meets a rebel commander who says he'd rather write poetry than go to war. Will Ross has been investigating reports that young girls have been forced to hand over their babies for adoption in Nigeria. Daniel Nasaw's has learned how the battles of the American Civil War have helped to shape the debate in the current US presidential campaign. And Gideon Long's been to the remote island in the South Pacific which inspired Daniel Defoe's castaway classic Robinson Crusoe.