Biden urges unity, knocks 'divider' Trump at first major rally

Democrat Joe Biden aimed his frontrunner campaign directly at Donald Trump on Saturday, attacking him as the "divider in chief" and insisting the nation's top priority is denying the US president re-election in 2020.The former vice president kicked off his White House bid with an impassioned call for fairness and equality in the country, urging voters to end the mean-spirited pettiness and partisan squabbles that have left Americans angry and dispirited in recent years."Our president is the divi