Politico: “Joe Biden’s advisers have repeatedly downplayed the need for him to win in predominantly white Iowa and New Hampshire — while boasting of his strength in Southern states where black voters often dominate. And the polls, to date, back up their theory that that’s his path to the nomination.” “But if Biden’s firewall ever cracks — and there are some signs it’s softening in recent surveys — it will likely start with young black women, according to interviews with a dozen African American female organizers, lawmakers and activists who are heavily involved in the Democratic primary election or closely tracking the mood of black voters.”