US Senator Bernie Sanders launches presidential run

US Senator Bernie Sanders launched his populist, liberal campaign for the White House on Thursday, savaging an American economic system that creates "immoral" and unsustainable disparities between rich and poor. "We're in this race to win," the 73-year-old Sanders, an independent lawmaker who is little known outside political circles and his home state of Vermont, told reporters at a low-key, rushed announcement on the lawn outside the US Capitol, where he has served in