THE DEMOCRATIC NATIONAL CONVENTION.

DAVID MUIR (ABC NEWS) (Off-camera) You are looking live at the convention hall here in Chicago. Another energetic night right here inside the hall. Night three of the convention well underway as that camera moves in on the ABC News broadcast booth here in Chicago. Good evening, and thank you for joining us on this pivotal third night of the Democratic National Convention. Vice presidential candidate Tim Walz in the spotlight tonight. The Governor of Minnesota will be introducing himself to America. His high stakes address, making his case for Kamala Harris for president. Governor Walz, a relative unknown to much of the country until just 15 days ago, when Vice President Harris chose him to be her running mate, from a short list that of course also included Pennsylvania Governor Josh Shapiro, Kentucky Governor Andy Beshear, and Arizona Senator Mark Kelly. [ABSTRACT FROM PUBLISHER]