Democratic boundary breakers’ night: Obama, Clinton, Harris

The American flag on top a of state name sign near the stage where Democratic vice presidential candidate Sen. Kamala Harris, D-Calif., will speak on third day of the Democratic National Convention, Wednesday, Aug. 19, 2020, at the Chase Center in Wilmington, Del. (AP Photo/Carolyn Kaster)

WILMINGTON, Del. — The Democrats’ historic boundary breakers are joining forces at the party’s national convention in an urgent effort to rouse the diverse coalition Joe Biden will need to defeat President Donald Trump this fall.