Warren, Buttigieg scrap puts Democratic divide on display

WILL WEISSERT Associated Press WASHINGTON (AP) — Elizabeth Warren spent weeks absorbing attacks from more moderate rivals looking to stop her steady summer rise in the polls. Now, as the center begins to assert itself in the Democratic presidential primary and the Massachusetts senator's momentum is at risk of slowing, she's starting to hit back. After a Democratic Party fundraiser in Boston on Thursday night, Warren blasted Pete Buttigieg, who is emerging as a leading moderate candidate in the lead-off Iowa caucuses set for Feb. 3. She criticized the South Bend, Indiana, mayor for holding closed-door fundraisers with big donors. "I think that Mayor Pete should open up the doors so that anyone can come in and report on what's being said," Warren said. "Those doors shouldn't be close