Democrats´ presidential hopefuls jockey to outdo one another with pre-debate promises
(LA Times Auto Racing)

Vermont Sen. Bernie Sanders burnished his socialist bona fides - and sought to one-up progressive rival Sen. Elizabeth Warren of Massachusetts - with a $1.6-trillion plan to pay off all the country´s college debt, an idea that could be more of a boon to the rich than the poor. Joe Biden, the former...