Obama tells British youth - Don't pull back from the world

U.S. President Barack Obama implored young British people not to pull back from the world on Saturday, a day after he warned the country of the risks of voting to leave the European Union in a referendum in June. "We see new calls for isolationism, for xenophobia," Obama told young people at a "town hall" event in London. Speaking to over 500 young British people, Obama joked about Britain's colonial past, saying that despite the so-called special relationship between the two countries, the Unit