Biden Still Holds Sizable Lead Nationwide: Campaign Update

(Bloomberg) -- Joe Biden still maintains a significant lead in the Democratic primary, but Elizabeth Warren’s support is growing, a new Quinnipiac Poll released Tuesday found.Biden has 32% support, trailed by Warren with 21%, Bernie Sanders with 14% and Kamala Harris with 7%. The latest poll shows a sizable jump for Warren and a slump for Harris since the debates last week in Detroit. A Quinnipiac poll released before the Detroit debates showed Warren with 15% support and Harris at 12% sup