Sanders surpasses Biden among African American voters; Bloomberg support dips: Reuters/Ipsos poll - Reuters

Sanders surpasses Biden among African American voters; Bloomberg support dips: Reuters/Ipsos poll - Reuters: U.S. Senator Bernie Sanders has widened his lead for the Democratic presidential nomination and overtaken Joe Biden in support among African Americans - a voting bloc that until now has largely favored the former vice president, according to a Reuters/Ipsos national poll released on Tuesday.