Joe Biden has not selected a vice president for his 2020 campaign.br He pledged to chose a woman for his ticket.br Elizabeth Warren is campaigning hard to be Biden's running mate.br But, a new poll of Democratic voters could be bad news for the senator.br According to Fox News 19 found her to be a “not acceptable” choice, the highest negative rating of any of the 11 candidates listed.br Her negative views rose among white voters. br The USA TodaySuffolk University poll showed 23 of white voters found Warren to be a “not acceptable” choice.br 19 among Hispanic voters and 13 of black voters found her a "not acceptable" choice.