Kamala Harris locks historic Democratic presidential nomination

Kamala Harris has secured enough delegate votes to become the Democratic nominee for president when the roll call ends Monday, the DNC says. This marks the first time a Black woman and a person of South Asian descent will be at the top of the presidential ticket. ––– Subscribe to ABC News on YouTube: ABC News Digital is your daily source of breaking national and world news, exclusive interviews and 24/7 live streaming coverage. Download the ABC News app for the latest headlines and alerts: Watch 24/7 coverage of breaking news and live events on ABC News Live: Watch full episodes of World News Tonight with David Muir here: