Although one major strike, against Hollywood studios, was finally resolved this past week, another, against U.S. vehicle makers, is expanding. The plight of the autoworkers has now become a major point of contention in the presidential race.Jonathan Weisman, a political correspondent for The Times, explains why the strike could be an essential test along the road to the White House.Guest: Jonathan Weisman, a political correspondent for The New York Times.Background reading: A day after President Biden appeared on a picket line with United Automobile Workers, former President Donald J. Trump spoke at an auto parts factory.The U.A.W. strike could either accelerate a wave of worker actions or stifle labor’s recent momentum.For more information on today’s episode, visit nytimes.com/thedaily. Transcripts of each episode will be made available by the next workday.