Presidential hopefuls address state Democratic Party convention in San Francisco

Mark Z. Barabak is a political columnist for the Los Angeles Times, focusing on California and the West. He has covered campaigns and elections in 49 of the 50 states, including a dozen presidential contests and scores of mayoral, legislative, gubernatorial and congressional races. He also reported from the White House and Capitol Hill during the George H.W. Bush and Clinton administrations.

Melanie Mason is a former political correspondent for the Los Angeles Times, based in Los Angeles. She started with The Times in Washington, D.C., in 2011, covering money and politics, and she also covered state politics and government in Sacramento and three presidential races.

Kent Nishimura is a former staff photographer with the Los Angeles Times, based in Washington, D.C. Born in Taiwan, Nishimura immigrated to the United States, grew up in Hawaii and is a graduate of the University of Hawaii at Manoa. His work has been recognized by Pictures of the Year International, the National Headliner Awards, the White House News Photographers Assn. and the National Press Photographers Assn., among others. He has worked on staff at newspapers across the United States and freelanced for many national and international publications before joining The Times in 2017.