6pm update: Sanders takes Vermont, Biden carries Alabama, North Carolina and Virginia

Guests: Austin Peay, Politics Editor at USC Annenberg Media

Caution: Listen at a low volume. The microphone used for the 6 pm update created a loud static noise that some listeners may want to avoid.

7pm update: Biden overtakes Sanders in delegate totals

Guests: Christina Bellantoni, Director of the Annenberg Media Center, previously editor-in-chief at CQ Roll Call

Reporting: Daniel Mills live at former Vice President Joe Biden’s Baldwin Hills Watch Party, John Grayson live at Ground Zero Cafe polling station

8pm update: Biden speaks to supporters in Baldwin Hills, California; California polls close with long waits

Guests: Ben Pearce, president of USC College Democrats

Reporting: Daniel Mills live at former Vice President Joe Biden’s Baldwin Hills Watch Party, Kate Johnston and James Hofeling live at Vermont Senator Bernie Sander’s East LA Watch Party, John Grayson live at Ground Zero Cafe as polls close in California

9pm update: Sanders wins California

Guests: Christina Bellantoni, Director of the Annenberg Media Center, previously editor-in-chief at CQ Roll Call

Reporting: Kate Johnston and James Hofeling live at Vermont Senator Bernie Sander’s East LA Watch Party

10 pm update: Texas too close to call, latest delegate counts in, reporters debrief

Roundtable debrief: Luke Scorziell with reporters Kate Johnston, Daniel Mills, John Grayson, and James Hofeling

Head Researcher: Anthony Orozco

Technical Directors: Sebastian Grubaugh and Yuki Liang

Special Assistants: Aiyonna White, Tena Rubio, and Edward Lifson

Correction: A previous version of this article misspelled the name of the President of USC College Democrats as “Ben Pierce." It is spelled “Ben Pearce.”